AMD
Radeon RX 5500 vs GeForce GT 645M
Full comparison of specs, performance and benchmarks
NVIDIA
GeForce GT 645M
Aggregate performance score
We've compared RX 5500 and GeForce GT 645M across specs and all relevant benchmarks.
↗RX 5500 outperforms GeForce GT 645M by ~23% on the catalog index; this is not a measured FPS gain.+23%
Scores are normalized on the Head to Head scale. Higher is better. How is this calculated?H2HBench Data Quality
Low confidenceSpecifications: Field verification not recordedVerified gaming results: 0Estimated / unverified results: 32Price record updated: Sep 6, 2026
Limited verified data
H2HBench Verdict
Higher catalog score: Radeon RX 5500 (~24%)
The score difference is not a measured FPS improvement.
Reasons to consider RX 5500
- Higher catalog performance index
- More graphics memory
- Higher catalog value index
- Recorded feature support: OpenCL 2.1 · FSR
Reasons to consider GeForce GT 645M
- Lower stated power consumption
- Recorded feature support: OpenCL 3.0, CUDA 3.0 · Not supported
Catalog metrics radar
Axes with missing data are hidden; every value uses a fixed scale.
AMD
NVIDIAPerformance
Efficiency
Price / performance
Memory capacity
3730
82100
10054
6043
Graphics card ranking
Positions 161–166of 321
Which should you choose?
Two practical conclusions based on community votes and gaming value.
GeForce GT 645M
141 likesHead to Head visitors currently choose this model more often.
Overview
Scores are calculated from specifications, performance, and efficiency.
GamesDirectX, OpenCL, and Vulkan performance
37Better
30
Professional applications3D modeling, video editing, and rendering
33Better
28
AI and machine learningMachine-learning and AI capabilities
31Better
26
Power efficiencyPower consumption across workloads
82
100Better
Head to Head scoreOverall catalog score
52Better
42
Specifications
The better numeric value is highlighted in green, taking the metric direction into account.
Device class
Upscaling
HDMI
DisplayPort
USB Type-C
Recommended PSU
Length
DirectX
Vulkan
OpenGL
TFLOPSBetter
Power consumptionBetter
Memory type
Power connector
Release date
Architecture
Compute API
Launch price—
Shader units / coresBetter
Clock speedBetter
Base clockBetter
Boost clockBetter
VRAMBetter
Memory frequencyBetter
Memory bus
Memory bandwidthBetter
Interface
Power consumptionBetter
Process nodeBetter
Die sizeBetter
Memory cacheBetter
Transistor countBetter
Max monitors
Max resolution
Thickness
Gaming FPS
Available results are shown separately; missing data is not treated as zero.
The Gaming FPS section compares RX 5500 and GeForce GT 645M 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.
RX 5500GeForce GT 645M
Verified externalEstimatedSources ↗
Counter-Strike 2
1080p High
189 FPS
153 FPS
1080p Ultra
133 FPS
107 FPS
1440p Ultra
77 FPS
58 FPS
4K Ultra
23 FPS
21 FPS
Counter-Strike 2RX 5500189 FPSGeForce GT 645M153 FPSRX 5500133 FPSGeForce GT 645M107 FPSRX 550077 FPSGeForce GT 645M58 FPSRX 550023 FPSGeForce GT 645M21 FPS
Cyberpunk 2077RX 5500122 FPSGeForce GT 645M98 FPSRX 5500105 FPSGeForce GT 645M85 FPSRX 550056 FPSGeForce GT 645M42 FPSRX 550015 FPSGeForce GT 645M14 FPS
Forza Horizon 5RX 5500154 FPSGeForce GT 645M124 FPSRX 550099 FPSGeForce GT 645M80 FPSRX 550070 FPSGeForce GT 645M52 FPSRX 550034 FPSGeForce GT 645M30 FPS
Hogwarts LegacyRX 550099 FPSGeForce GT 645M80 FPSRX 550083 FPSGeForce GT 645M67 FPSRX 550050 FPSGeForce GT 645M37 FPSRX 550016 FPSGeForce GT 645M14 FPS
H2H workload indices
Comparable internal indices on a fixed 0–100 scale.
H2H Raster IndexH2H Index / 100373021%
H2H Compute IndexH2H Index / 100443135%
H2H Rendering IndexH2H Index / 100443426%
H2H Memory Workload IndexH2H Index / 100604333%
H2H Efficiency IndexH2H Index / 1008210020%
These are versioned H2H calculated indices derived from normalized catalog data. They are not results from a third-party benchmark.
H2H AI workload indices
Estimated workload profiles based on available performance and memory data.
H2H Image Generation IndexH2H Index / 100483629%
H2H ML Training IndexH2H Index / 100463527%
H2H Inference IndexH2H Index / 100443426%
H2H Local LLM IndexH2H Index / 100503730%
H2H Computer Vision IndexH2H Index / 100443426%
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
DirectX12.111.0
Vulkan1.41.2
OpenGL4.64.6
UpscalingFSRNot supported
Compute APIOpenCL 2.1OpenCL 3.0, CUDA 3.0
Architecture and release
ArchitectureRDNA 1.0Kepler / Fermi
Process node7 nmBetter28 nm
Release date20192012
Device classDesktopMobile
GPU cores, die and clocks
Transistor count6400 millionBetter1270 million
Die size158 mm²118 mm²Better
Shader units / cores1408Better384
Base clock1500 MHzBetter709 MHz
Boost clock1845 MHzBetter780 MHz
Board size, power and compatibility
InterfacePCIe 4x8PCIe 3.0 x16
LengthVaries by boardOEM dependent
ThicknessVaries by boardIGP
Recommended PSUVaries by boardOEM dependent
Power connector8 pinNone
Display outputs and limits
HDMIHDMI 2.0bOEM dependent
DisplayPortDisplayPort 1.4OEM dependent
USB Type-CNoOEM dependent
Max monitorsVaries by boardOEM dependent
Max resolution7680 × 4320Depends on host system
Memory and compute throughput
VRAM4 GB GDDR6Better2 GB DDR3
Memory typeGDDR6GDDR5 / DDR3
Memory bus128 bit128 bit
TFLOPS5.196Better0.599
Other comparisons
Reviews and questions
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.
Evidence details
Data coverage
- Verified gaming results
- 0
- Verified synthetic results
- 0
- Games with verified results
- 0
- Verified community results
- 0
- Estimated / unverified results
- 32
- Specifications
- 0 / 69
Calculated scores · How is this calculated?
Scores use the catalog model and may include estimated inputs. Open each score to see its origin and the methodology.
clamp(round(performance × 0.7 + (efficiency ?? 50) × 0.2 + (value is missing ? 0 : (value − 50) × 0.2)), 0, 100)Price evidence · View sources (4)
Verified community results
No verified community benchmarks yet.
Reviewed by
No individual editorial review is recorded for this comparison.
Comparison history
Show recorded changes (3)
- · Record updated: products
- · Record updated: products
- · Record updated: products
Why you can trust this comparison
Origin and confidence are evaluated from the evidence attached to each value. Unverified results are identified, and specification, benchmark and price dates remain separate.
Owner experiences
Real builds, results, and community feedback.
Moderator reviewedHelpful to the communityExpert badges
Frequently asked comparison questions
Short recommendations based on performance, memory, power consumption, and intended use.
01Which is better for gaming: RX 5500 or GeForce GT 645M?+
RX 5500 has the higher overall gaming score, while RX 5500 offers the better price-to-performance ratio. The final choice depends on resolution and settings.
02Which is better for streaming?+
GeForce GT 645M 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?+
GeForce GT 645M is generally the better option for Blender and GPU rendering. Rendering-engine support and available VRAM also matter.
04Which is better for video editing?+
RX 5500 offers more overall performance, while RX 5500 offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.
05Which is better for neural networks and AI?+
GeForce GT 645M is the more practical option for local AI workloads. VRAM capacity, compute libraries, and framework compatibility are especially important.
06Which is better for 1080p?+
RX 5500 is the most rational 1080p choice, where high frame rates and cost per frame matter most.
07Which is better for 1440p?+
RX 5500 leads in combined 1440p performance. RX 5500 can be preferable for heavy textures and games with high VRAM usage.
08Which is better for 4K?+
RX 5500 is preferable for 4K, where total performance, memory bandwidth, and VRAM capacity have the greatest impact.
09Which is better for a quiet PC?+
GeForce GT 645M 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?+
GeForce GT 645M 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 RX 5500 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.