AMD
Radeon RX 7900 XTX vs GeForce GTS 450
Full comparison of specs, performance and benchmarks
NVIDIA
GTS 450
Aggregate performance score
We've compared RX 7900 XTX and GTS 450 across specs and all relevant benchmarks.
↗RX 7900 XTX outperforms GTS 450 by ~152% on the catalog index; this is not a measured FPS gain.+152%
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 7900 XTX (~39%)
The score difference is not a measured FPS improvement.
Reasons to consider RX 7900 XTX
- Higher catalog performance index
- More graphics memory
- Recorded feature support: OpenCL 2.2 · FSR
Reasons to consider GTS 450
- Lower stated power consumption
- Lower recorded market price
- Higher catalog value index
- Recorded feature support: OpenCL 1.1, CUDA 2.1 · Not supported
Catalog metrics radar
Axes with missing data are hidden; every value uses a fixed scale.
AMD
NVIDIAPerformance
Efficiency
Price / performance
Memory capacity
7831
7397
61100
10056
What streamers use
Real public setups linked to each device.
Graphics card ranking
Positions 11–16of 321
Which should you choose?
Two practical conclusions based on community votes and gaming value.
Radeon RX 7900 XTX
128 likesHead to Head visitors currently choose this model more often.
GeForce GTS 450
Price $24.00Based on catalog performance per unit of current market price, not measured FPS.
Overview
Scores are calculated from specifications, performance, and efficiency.
GamesDirectX, OpenCL, and Vulkan performance
78Better
31
Professional applications3D modeling, video editing, and rendering
63Better
29
AI and machine learningMachine-learning and AI capabilities
60Better
26
Power efficiencyPower consumption across workloads
73
97Better
Head to Head scoreOverall catalog score
71Better
51
Specifications
The better numeric value is highlighted in green, taking the metric direction into account.
DisplayPort
HDMI
Device class
Upscaling
DirectX
Vulkan
OpenGL
TFLOPSBetter
Power consumptionBetter
Launch priceBetter
Shader units / coresBetter
Thickness
Power connector
Memory type
Release date
Architecture
Compute API
VRAMBetter
Clock speedBetter
Power consumptionBetter
Die sizeBetter
Base clockBetter
Boost clockBetter
LengthBetter
Memory busBetter
Memory bandwidthBetter
Memory cache
Memory frequencyBetter
Interface
Process nodeBetter
Recommended PSUBetter
Transistor countBetter
Max monitors
Max resolution
USB Type-C
Gaming FPS
Available results are shown separately; missing data is not treated as zero.
The Gaming FPS section compares RX 7900 XTX and GTS 450 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 7900 XTXGTS 450
Verified externalEstimatedSources ↗
Counter-Strike 2
1080p High
325 FPS
156 FPS
1080p Ultra
225 FPS
108 FPS
1440p Ultra
168 FPS
59 FPS
4K Ultra
85 FPS
21 FPS
Counter-Strike 2RX 7900 XTX325 FPSGTS 450156 FPSRX 7900 XTX225 FPSGTS 450108 FPSRX 7900 XTX168 FPSGTS 45059 FPSRX 7900 XTX85 FPSGTS 45021 FPS
Cyberpunk 2077RX 7900 XTX205 FPSGTS 450101 FPSRX 7900 XTX183 FPSGTS 45085 FPSRX 7900 XTX127 FPSGTS 45043 FPSRX 7900 XTX61 FPSGTS 45014 FPS
Forza Horizon 5RX 7900 XTX253 FPSGTS 450127 FPSRX 7900 XTX173 FPSGTS 45081 FPSRX 7900 XTX153 FPSGTS 45054 FPSRX 7900 XTX117 FPSGTS 45031 FPS
Hogwarts LegacyRX 7900 XTX167 FPSGTS 45082 FPSRX 7900 XTX140 FPSGTS 45068 FPSRX 7900 XTX112 FPSGTS 45039 FPSRX 7900 XTX66 FPSGTS 45014 FPS
H2H workload indices
Comparable internal indices on a fixed 0–100 scale.
H2H Raster IndexH2H Index / 100783186%
H2H Compute IndexH2H Index / 100823483%
H2H Rendering IndexH2H Index / 100843875%
H2H Memory Workload IndexH2H Index / 1001005656%
H2H Efficiency IndexH2H Index / 100739728%
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 / 100884271%
H2H ML Training IndexH2H Index / 100874172%
H2H Inference IndexH2H Index / 100843875%
H2H Local LLM IndexH2H Index / 100904567%
H2H Computer Vision IndexH2H Index / 100853876%
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
DirectX12.211.0
Vulkan1.4Vulkan 1.2 (driver support)
OpenGL4.64.6
UpscalingFSRNot supported
Compute APIOpenCL 2.2OpenCL 1.1, CUDA 2.1
Architecture and release
ArchitectureRDNA 3.0Fermi
Process node5 nmBetter40 nm
Release date20222010
Device classDesktopDesktop
GPU cores, die and clocks
Transistor count57700 millionBetter1170 million
Die size529 mm²238 mm²Better
Shader units / cores6144Better192
Base clock1855 MHzBetter783 MHz
Boost clock2499 MHzBetter783 MHz
Board size, power and compatibility
InterfacePCIe 4x16PCIe 2x16
Length287 mm210 mmBetter
ThicknessDual-slotDual-slot
Recommended PSU750 W300 WBetter
Power connector8+8 pin6 pin
Display outputs and limits
HDMIHDMI 2.1amini-HDMI 1.3a
DisplayPortDisplayPort 2.1Board dependent
USB Type-CYesNo
Max monitors43
Max resolution7680 × 43202560 × 1600
Memory and compute throughput
VRAM24 GB GDDR6Better1 GB GDDR5
Memory typeGDDR6GDDR5
Memory bus384 bitBetter128 bit
TFLOPS61.39Better0.601
Other comparisons
Arc B580IntelReviews 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 / 70
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 (6)
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 7900 XTX or GTS 450?+
RX 7900 XTX has the higher overall gaming score, while GTS 450 offers the better price-to-performance ratio. The final choice depends on resolution and settings.
02Which is better for streaming?+
GTS 450 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?+
GTS 450 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 7900 XTX offers more overall performance, while RX 7900 XTX offers more memory headroom. Codecs, hardware encoders, and editor optimization can change the result.
05Which is better for neural networks and AI?+
GTS 450 is the more practical option for local AI workloads. VRAM capacity, compute libraries, and framework compatibility are especially important.
06Which is better for 1080p?+
GTS 450 is the most rational 1080p choice, where high frame rates and cost per frame matter most.
07Which is better for 1440p?+
RX 7900 XTX leads in combined 1440p performance. RX 7900 XTX can be preferable for heavy textures and games with high VRAM usage.
08Which is better for 4K?+
RX 7900 XTX is preferable for 4K, where total performance, memory bandwidth, and VRAM capacity have the greatest impact.
09Which is better for a quiet PC?+
GTS 450 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?+
GTS 450 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 7900 XTX 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.