AMD
ATI Radeon HD 4650 vs Radeon RX 6400
Full comparison of specs, performance and benchmarks
AMD
RX 6400
Aggregate performance score
We've compared ATI Radeon HD 4650 and RX 6400 across specs and all relevant benchmarks.
↗ATI Radeon HD 4650 outperforms RX 6400 by 12% based on our aggregate benchmark results.+12%
Scores are normalized on the Head to Head scale. Higher is better.ATI Radeon HD 4650 vs Radeon RX 6400: key takeaway
The comparison of ATI Radeon HD 4650 and RX 6400 shows a 12% advantage for ATI Radeon HD 4650 in gaming performance, while RX 6400 may still be stronger in efficiency and feature set. Use the sections below to check whether that lead comes from real FPS, specifications, efficiency, price or platform features.
SUMMARY PROFILE
Verified-metrics radar
Axes with missing data are hidden; every value uses a fixed scale.
AMDPerformance
Efficiency
Price / performance
Memory capacity
3733
100100
100100
3460
COMPARISON RESULT
ATI Radeon HD 4650 is the best overall choice
ATI Radeon HD 4650 leads in combined game performance. ATI Radeon HD 4650 offers the better price per frame, while the final choice depends on the required features, memory, and games.
ATI Radeon HD 4650 leads in the combined performance index
ATI Radeon HD 4650 costs less
CATALOG POSITION
Full ranking →Graphics card ranking
Positions 102–107of 319
COMPARISON VERDICT
Which should you choose?
Two practical conclusions based on community votes and gaming value.
ATI Radeon HD 4650
115 likesHead to Head visitors currently choose this model more often.
ATI Radeon HD 4650
100/100 · Price $79The choice is based on the price-to-performance index and launch price.
OVERALL SCORE
Overview
Scores are calculated from specifications, performance, and efficiency.
The Summary score section compares ATI Radeon HD 4650 and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
GamesDirectX, OpenCL, and Vulkan performance
37Better
33
Professional applications3D modeling, video editing, and rendering
33Better
30
AI and machine learningMachine-learning and AI capabilities
31Better
28
Power efficiencyPower consumption across workloads
100
100
Head to Head scoreOverall catalog score
61Better
58
FULL COMPARISON
Specifications
The better numeric value is highlighted in green, taking the metric direction into account.
The Specifications section compares ATI Radeon HD 4650 and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
Device classDesktopDesktop
Max monitors32
Max resolution2560 × 16007680 × 4320
USB Type-CNoNo
DirectX10.112.2
OpenGL3.34.6
TFLOPS0.3843.565Better
Power consumption48 WBetter53 W
Memory frequency800 MHzBetter16 GHz
Memory typeDDR2GDDR6
Power connectorNoneNone
Release date20082022
ArchitectureTeraScaleRDNA 2.0
ThicknessSingle-slotSingle-slot
Compute APIOpenCL 1.1OpenCL 2.2
Launch price$79Better$159
Shader units / cores320768Better
Clock speed600 MHz1923 - 2321 MHzBetter
Base clock600 MHz1923 MHzBetter
Boost clock600 MHz2321 MHzBetter
VRAM1 GB DDR24 GB GDDR6Better
Memory bus128 bitBetter64 bit
Memory bandwidth12800 GB/sBetter128 GB/s
InterfacePCIe 2x16PCIe 4x4
Power consumption48 WBetter53 W
Process node55 nm6 nmBetter
Recommended PSU200 WBetter250 W
Length193 mmVaries by board
Die size146 mm²107 mm²Better
Memory cacheL1 16 KB, L2 0.13 MBL1 128 KB, L2 1 MB
Transistor count514 million5400 millionBetter
VulkanNot supported1.4
DisplayPortBoard dependentDisplayPort 1.4a
HDMIBoard dependentHDMI 2.1
UpscalingNot supportedFSR
GAME TEST BENCH
Gaming FPS
Available results are shown separately; missing data is not treated as zero.
The Gaming FPS section compares ATI Radeon HD 4650 and RX 6400 across curated H2H Lab game presets. The useful signal is not only average FPS, but also how each device behaves at 1440p and 4K, how memory capacity and bus width affect heavy textures, and whether the game engine favors raster performance, ray tracing, or driver maturity.
ATI Radeon HD 4650RX 6400
Verified H2HCommunity VerifiedEstimatedPredicted
Black Myth: Wukong
1080p High
21 FPSEstimated 65%
20 FPSEstimated 64%
1080p Ultra
18 FPSEstimated 65%
17 FPSEstimated 64%
1440p Ultra
11 FPSEstimated 61%
9 FPSEstimated 58%
4K Ultra
5 FPSEstimated 57%
5 FPSEstimated 55%
Black Myth: WukongATI Radeon HD 465021 FPSEstimated 65%RX 640020 FPSEstimated 64%ATI Radeon HD 465018 FPSEstimated 65%RX 640017 FPSEstimated 64%ATI Radeon HD 465011 FPSEstimated 61%RX 64009 FPSEstimated 58%ATI Radeon HD 46505 FPSEstimated 57%RX 64005 FPSEstimated 55%
Call of Duty: WarzoneATI Radeon HD 465021 FPSEstimated 65%RX 640020 FPSEstimated 64%ATI Radeon HD 465018 FPSEstimated 65%RX 640017 FPSEstimated 64%ATI Radeon HD 465011 FPSEstimated 61%RX 64009 FPSEstimated 58%ATI Radeon HD 46505 FPSEstimated 57%RX 64005 FPSEstimated 55%
Counter-Strike 2ATI Radeon HD 4650174 FPSEstimated 73%RX 6400168 FPSEstimated 72%ATI Radeon HD 4650122 FPSEstimated 73%RX 6400118 FPSEstimated 72%ATI Radeon HD 465078 FPSEstimated 69%RX 640063 FPSEstimated 66%ATI Radeon HD 465029 FPSEstimated 65%RX 640023 FPSEstimated 62%
Cyberpunk 2077ATI Radeon HD 4650112 FPSEstimated 73%RX 6400109 FPSEstimated 72%ATI Radeon HD 465097 FPSEstimated 73%RX 640093 FPSEstimated 72%ATI Radeon HD 465056 FPSEstimated 69%RX 640046 FPSEstimated 66%ATI Radeon HD 465020 FPSEstimated 65%RX 640015 FPSEstimated 62%
Forza Horizon 5ATI Radeon HD 4650142 FPSEstimated 79%RX 6400137 FPSEstimated 78%ATI Radeon HD 465092 FPSEstimated 73%RX 640088 FPSEstimated 72%ATI Radeon HD 465070 FPSEstimated 69%RX 640057 FPSEstimated 66%ATI Radeon HD 465043 FPSEstimated 65%RX 640033 FPSEstimated 62%
God of War RagnarökATI Radeon HD 465021 FPSEstimated 65%RX 640020 FPSEstimated 64%ATI Radeon HD 465018 FPSEstimated 65%RX 640017 FPSEstimated 64%ATI Radeon HD 465011 FPSEstimated 61%RX 64009 FPSEstimated 58%ATI Radeon HD 46505 FPSEstimated 57%RX 64005 FPSEstimated 55%
Hogwarts LegacyATI Radeon HD 465092 FPSEstimated 73%RX 640089 FPSEstimated 72%ATI Radeon HD 465077 FPSEstimated 73%RX 640074 FPSEstimated 72%ATI Radeon HD 465050 FPSEstimated 69%RX 640041 FPSEstimated 66%ATI Radeon HD 465020 FPSEstimated 65%RX 640016 FPSEstimated 62%
Microsoft Flight Simulator 2024ATI Radeon HD 465021 FPSEstimated 65%RX 640020 FPSEstimated 64%ATI Radeon HD 465018 FPSEstimated 65%RX 640017 FPSEstimated 64%ATI Radeon HD 465011 FPSEstimated 61%RX 64009 FPSEstimated 58%ATI Radeon HD 46505 FPSEstimated 57%RX 64005 FPSEstimated 55%
Monster Hunter WildsATI Radeon HD 465021 FPSEstimated 65%RX 640020 FPSEstimated 64%ATI Radeon HD 465018 FPSEstimated 65%RX 640017 FPSEstimated 64%ATI Radeon HD 465011 FPSEstimated 61%RX 64009 FPSEstimated 58%ATI Radeon HD 46505 FPSEstimated 57%RX 64005 FPSEstimated 55%
StarfieldATI Radeon HD 465021 FPSEstimated 65%RX 640020 FPSEstimated 64%ATI Radeon HD 465018 FPSEstimated 65%RX 640017 FPSEstimated 64%ATI Radeon HD 465011 FPSEstimated 61%RX 64009 FPSEstimated 58%ATI Radeon HD 46505 FPSEstimated 57%RX 64005 FPSEstimated 55%
HEAD TO HEAD · CALCULATED INDEX
H2H workload indices
Comparable internal indices on a fixed 0–100 scale.
The Benchmarks section compares ATI Radeon HD 4650 and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
H2H Raster IndexH2H Index / 100373311%
H2H Compute IndexH2H Index / 100344426%
H2H Rendering IndexH2H Index / 100364113%
H2H Memory Workload IndexH2H Index / 100346055%
H2H Efficiency IndexH2H Index / 1001001000%
These are versioned H2H calculated indices derived from normalized catalog data. They are not results from a third-party benchmark.
HEAD TO HEAD · CALCULATED INDEX
H2H AI workload indices
Estimated workload profiles based on available performance and memory data.
The Detailed comparison section compares ATI Radeon HD 4650 and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
H2H Image Generation IndexH2H Index / 100364522%
H2H ML Training IndexH2H Index / 100364420%
H2H Inference IndexH2H Index / 100364113%
H2H Local LLM IndexH2H Index / 100354831%
H2H Computer Vision IndexH2H Index / 100364113%
These are versioned H2H calculated indices derived from normalized catalog data. They are not results from a third-party benchmark.
Graphics APIs, SDKs and upscaling
The Graphics APIs, SDKs and upscaling section compares ATI Radeon HD 4650 and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
DirectX10.112.2
VulkanNot supported1.4
OpenGL3.34.6
UpscalingNot supportedFSR
Compute APIOpenCL 1.1OpenCL 2.2
Architecture and release
The Architecture and release section compares ATI Radeon HD 4650 and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
ArchitectureTeraScaleRDNA 2.0
Process node55 nm6 nmBetter
Release date20082022
Device classDesktopDesktop
GPU cores, die and clocks
The Core layout and clocks section compares ATI Radeon HD 4650 and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
Transistor count514 million5400 millionBetter
Die size146 mm²107 mm²Better
Shader units / cores320768Better
Base clock600 MHz1923 MHzBetter
Boost clock600 MHz2321 MHzBetter
Board size, power and compatibility
The Form factor and compatibility section compares ATI Radeon HD 4650 and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
InterfacePCIe 2x16PCIe 4x4
Length193 mmVaries by board
ThicknessSingle-slotSingle-slot
Recommended PSU200 WBetter250 W
Power connectorNoneNone
Display outputs and limits
The Display outputs section compares ATI Radeon HD 4650 and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
HDMIBoard dependentHDMI 2.1
DisplayPortBoard dependentDisplayPort 1.4a
USB Type-CNoNo
Max monitors32
Max resolution2560 × 16007680 × 4320
Memory and compute throughput
The VRAM capacity and bandwidth section compares ATI Radeon HD 4650 and RX 6400 with normalized H2H data, turning specifications, tests and value signals into practical buying context.
VRAM1 GB DDR24 GB GDDR6Better
Memory typeDDR2GDDR6
Memory bus128 bitBetter64 bit
TFLOPS0.3843.565Better
HEAD TO HEAD · DISCOVER
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AI EXPLAIN · HEAD TO HEAD
Explain this comparison
Beyond percentages: causes, relevant specifications, and practical impact behind every chart.
What AI will explain
Overall score, radar, FPS, synthetic tests, specifications, efficiency, and value.
REAL CONFIGURATIONS
Owner experiences
Real builds, results, and community feedback.
♢Moderator reviewed☆Helpful to the community🏅Expert badges
Frequently asked comparison questions
Short recommendations based on performance, memory, power consumption, and intended use.
01Which is better for gaming: ATI Radeon HD 4650 or RX 6400?+
ATI Radeon HD 4650 has the higher overall gaming score, while ATI Radeon HD 4650 offers the better price-to-performance ratio. The final choice depends on resolution and settings.
02Which is better for streaming?+
ATI Radeon HD 4650 is the stronger streaming choice thanks to performance, hardware encoding, and application support. Check AV1, H.264, and HEVC support before buying.
03Which is better for Blender?+
ATI Radeon HD 4650 is generally the better option for Blender and GPU rendering. Rendering-engine support and available VRAM also matter.
04Which is better for video editing?+
ATI Radeon HD 4650 offers more overall performance, while ATI Radeon HD 4650 offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.
05Which is better for neural networks and AI?+
ATI Radeon HD 4650 is the more practical option for local AI workloads. VRAM capacity, compute libraries, and framework compatibility are especially important.
06Which is better for 1080p?+
ATI Radeon HD 4650 is the most rational 1080p choice, where high frame rates and cost per frame matter most.
07Which is better for 1440p?+
ATI Radeon HD 4650 leads in combined 1440p performance. ATI Radeon HD 4650 can be preferable for heavy textures and games with high VRAM usage.
08Which is better for 4K?+
ATI Radeon HD 4650 is preferable for 4K, where total performance, memory bandwidth, and VRAM capacity have the greatest impact.
09Which is better for a quiet PC?+
ATI Radeon HD 4650 is easier to use in a quiet build because of its lower estimated power and thermal load. Actual noise depends on the specific cooler.
10Which is better without replacing the power supply?+
ATI Radeon HD 4650 is the safer candidate because its stated power consumption is lower. Verify PSU wattage, age, and power connectors.
11Is it worth upgrading from the previous generation?+
Consider upgrading to ATI Radeon HD 4650 if your current device no longer delivers the required FPS, memory capacity, or feature support. A gain below 15–20% is usually worth waiting for a price cut.