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Gaming Performance Comparison

Recommended System Requirements
Game GeForce 8800 GTS 512MB SLI Radeon HD 7950 VTX3D 3GB Boost X-Edition
Red Dead Redemption 2 376% 72%
Cyberpunk 2077 553% 137%
Doom Eternal 309% 48%
Dragon Ball Z Kakarot 193% 6%
Call of Duty: Modern Warfare 376% 72%
Microsoft Flight Simulator 553% 137%
FIFA 20 153% 8%
Grand Theft Auto VI 627% 163%
Star Wars: Jedi - Fallen Order 553% 137%
Need For Speed Heat 376% 72%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 7950 VTX3D 3GB Boost X-Edition are massively better than the Nvidia GeForce 8800 GTS 512MB SLI.

The HD 7950 has a 230 MHz higher core clock speed but 16 fewer Texture Mapping Units than the 8800 GTS. The lower TMU count doesn't matter, though, as altogether the HD 7950 manages to provide 15.4 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The HD 7950 has a 230 MHz higher core clock speed than the 8800 GTS and the same number of Render Output Units. This results in the HD 7950 providing 7.4 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The HD 7950 was released over three years more recently than the 8800 GTS, and so the HD 7950 is likely to have far better driver support, meaning it will be much more optimized and ultimately superior to the 8800 GTS when running the latest games.

The HD 7950 has 2048 MB more video memory than the 8800 GTS, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the HD 7950 also has superior memory performance overall.

The HD 7950 has 137.6 GB/sec greater memory bandwidth than the 8800 GTS, which means that the memory performance of the HD 7950 is massively better than the 8800 GTS.

The GeForce 8800 GTS 512MB SLI has 256 Shader Processing Units and the Radeon HD 7950 VTX3D 3GB Boost X-Edition has 1792. However, the actual shader performance of the 8800 GTS is 166 and the actual shader performance of the HD 7950 is 1417. The HD 7950 having 1251 better shader performance and an altogether better performance when taking into account other relevant data means that the HD 7950 delivers a massively smoother and more efficient experience when processing graphical data than the 8800 GTS.

The HD 7950 transistor size technology is 37 nm (nanometers) smaller than the 8800 GTS. This means that the HD 7950 is expected to run much cooler and achieve higher clock frequencies than the 8800 GTS.

The GeForce 8800 GTS 512MB SLI requires 270 Watts to run but there is no entry for the Radeon HD 7950 VTX3D 3GB Boost X-Edition. We would recommend a PSU with at least 650 Watts for the 8800 GTS and a PSU with at least 500 Watts for the HD 7950. The 8800 GTS has been recommended a PSU with 150 Watts more than the HD 7950. The difference is significant enough that the 8800 GTS may have an adverse affect on your yearly electricity bills in comparison to the HD 7950.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed650 MHzvs880 MHz
Boost Clock-vs930 MHz
ArchitectureG92 (x2)GCN 1.0 Tahiti PRO2
OC Potential Fair vs Fair
Driver Support - vs Great
Release Date01 Dec 2007vs01 Aug 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900
6.2
vs green tick
9.8
1920x1080
4.7
vs green tick
7.9
2560x1440 - vs green tick
5.9
3840x2160 - vs green tick
4.4

GPU Memory

Memory1024 MBvs3072 MB
Memory Speed800 MHzvs1250 MHz
Memory Bus512 Bitvs384 Bit
Memory TypeGDDR3vsGDDR5
Memory Bandwidth102.4GB/secvs240GB/sec
L2 Cache 0 KB vs green tick 768 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units256vs1792
Actual Shader Performance8%vs68%
Technology65nmvs28nm
Texture Mapping Units128vs112
Texture Rate83.2 GTexel/svs98.6 GTexel/s
Render Output Units32vs32
Pixel Rate20.8 GPixel/svs28.2 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs4096x2160
VGA Connections0vs0
DVI Connections2vs1
HDMI Connections0vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power270 Watts-
Recommended PSU650 Watts & 28 Ampsvs500 Watts

GPU Features

DirectX10vs12.0
Shader Model4.0vs5.0
Open GL2.1vs4.4
Open CL-vs-
Notebook GPUnono
SLI/Crossfirenovsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core 2 Quad Q6600 2.4GHzvsIntel Core i5-3570K 3.4GHz
Recommended RAM4 GBvs8 GB
Maximum Recommended Gaming Resolution1366x768vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewThe SLI configuration of GeForce 8800 GTS 512MB.Radeon HD 7950 VTX3D 3GB Boost X-Edition is a special edition of the high-end Radeon HD 7950 Boost Edition.
This edition comes with a custom cooling solution and overclocking out of the box in the core-clock that was increase by 30MHz to 880MHz. Therefore, the Turbo Boost is now of 930MHz.
Expect a 1.5% performance boost when compared to the reference Radeon HD 7950 Boost Edition.
Recommended CPU
Possible GPU Upgrades
GPU Variants
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