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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 6950 PowerColor 1GB Edition Radeon HD 7850 XFX Core Edition
Red Dead Redemption 2 158% 158%
Cyberpunk 2077 254% 254%
Doom Eternal 122% 122%
Dragon Ball Z Kakarot 59% 59%
Call of Duty: Modern Warfare 158% 158%
Microsoft Flight Simulator 254% 254%
FIFA 20 37% 37%
Grand Theft Auto VI 294% 294%
Star Wars: Jedi - Fallen Order 254% 254%
Need For Speed Heat 158% 158%

In terms of overall gaming performance, the graphical capabilities of the HD 6950 and the HD 7850 are equal.

The HD 7850 has a 60 MHz higher core clock speed than the HD 6950, but the HD 6950 has 24 more Texture Mapping Units than the HD 7850. As a result, the HD 6950 exhibits a 15.4 GTexel/s better Texture Fill Rate than the HD 7850. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The HD 7850 has a 60 MHz higher core clock speed than the HD 6950 and the same number of Render Output Units. This results in the HD 7850 providing 1.9 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 7850 was released over a year more recently than the HD 6950, and so the HD 7850 is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the HD 6950.

The Radeon HD 6950 PowerColor 1GB Edition and the Radeon HD 7850 XFX Core Edition have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The memory bandwidth of the Radeon HD 6950 PowerColor 1GB Edition and the Radeon HD 7850 XFX Core Edition are the same, which means the HD 6950 and the HD 7850 have equal limitations when it comes to graphical data transfer.

The Radeon HD 6950 PowerColor 1GB Edition has 1408 Shader Processing Units and the Radeon HD 7850 XFX Core Edition has 1024. However, the actual shader performance of the HD 6950 is 563 and the actual shader performance of the HD 7850 is 749. The HD 7850 having 186 better shader performance is not particularly notable, as altogether the HD 6950 performs better when taking into account other relevant data.

The HD 7850 transistor size technology is 12 nm (nanometers) smaller than the HD 6950. This means that the HD 7850 is expected to run slightly cooler and achieve higher clock frequencies than the HD 6950. While they exhibit similar graphical performance, the HD 7850 should consume less power than the HD 6950.

The Radeon HD 6950 PowerColor 1GB Edition requires 200 Watts to run but there is no entry for the Radeon HD 7850 XFX Core Edition. We would recommend a PSU with at least 500 Watts for the HD 6950 and a PSU with at least 500 Watts for the HD 7850. The two GPUs have been recommended a PSU with the same amount of wattage. As such, there is no need to worry about which will more significantly affect your yearly electricity bills.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed800 MHzvs860 MHz
Boost Clock-vs-
ArchitectureTerascale 3 Cayman ProGCN 1.0 Pitcairn PRO
OC Potential Fair vs Good
Driver Support Poor vs Good
Release Date01 Dec 2010vs01 Mar 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
10
green tick vs -
1600x900
8.2
vs green tick
8.3
1920x1080
6.4
green tick vs green tick
6.4
2560x1440
4.7
green tick vs green tick
4.7
3840x2160 - vs green tick
2.9

GPU Memory

Memory1024 MBvs1024 MB
Memory Speed1250 MHzvs1250 MHz
Memory Bus256 Bitvs256 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth160GB/secvs160GB/sec
L2 Cache 512 KB green tick vs green tick 512 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units1408vs1024
Actual Shader Performance27%vs36%
Technology40nmvs28nm
Texture Mapping Units88vs64
Texture Rate70.4 GTexel/svs55 GTexel/s
Render Output Units32vs32
Pixel Rate25.6 GPixel/svs27.5 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs4096x2160
VGA Connections0vs0
DVI Connections2vs2
HDMI Connections1vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power200 Watts-
Recommended PSU500 Watts & 30 Ampsvs500 Watts

GPU Features

DirectX11.0vs12.0
Shader Model5.0vs5.0
Open GL4.3vs4.4
Open CL-vs-
Notebook GPUnono
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i7-930 Quad 2.80GHzvsIntel Core i5-3330 3.0GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1920x1080vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewRadeon HD 6950 PowerColor 1GB Edition is a special editon of the high-end Radeon HD 6950.

The only new feature is a new Cooling System. Therefore, Radeon HD 6950 PowerColor 1GB Edition delivers the same performance the reference Radeon HD 6950 does.
Radeon HD 7850 XFX Core Edition is a special edition of the powerful Radeon HD 7850. See the standard version for more information about it.
This edition features a special cooling system that allows twice as much heat dissipation when compared to the reference AMD cooling system but its performance is still the same, as there's no over-clocking out of the box.
Recommended CPU
Possible GPU Upgrades
GPU Variants
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