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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 7870 Sapphire GHz OC Edition CrossFire Radeon HD 7950 3-way Crossfire
Red Dead Redemption 2 28% 10%
Cyberpunk 2077 76% 24%
Doom Eternal 10% 23%
Call of Duty: Modern Warfare 28% 10%
Dragon Ball Z Kakarot 21% 45%
Halo: Reach 59% 71%
Microsoft Flight Simulator 76% 24%
Star Wars: Jedi - Fallen Order 76% 24%
Grand Theft Auto VI 95% 37%
Need For Speed Heat 28% 10%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 7950 3-way Crossfire are significantly better than the AMD Radeon HD 7870 Sapphire GHz OC Edition CrossFire.

The HD 7870 has a 250 MHz higher core clock speed than the HD 7950, but the HD 7950 has 176 more Texture Mapping Units than the HD 7870. As a result, the HD 7950 exhibits a 100.8 GTexel/s better Texture Fill Rate than the HD 7870. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The HD 7870 has a 250 MHz higher core clock speed than the HD 7950, but the HD 7950 has 32 more Render Output Units than the HD 7870. As a result, the HD 7950 exhibits a 9.6 GPixel/s better Pixel Fill Rate than the HD 7870. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The HD 7870 was released less than a year after the HD 7950, and so they are likely to have similar driver support for optimizing performance when running the latest games.

Both GPUs exhibit very powerful performance, so it probably isn't worth upgrading from one to the other, as both are capable of running even the most demanding games at the highest settings.

The HD 7950 has 5120 MB more video memory than the HD 7870, 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 400 GB/sec greater memory bandwidth than the HD 7870, which means that the memory performance of the HD 7950 is massively better than the HD 7870.

The Radeon HD 7870 Sapphire GHz OC Edition CrossFire has 2560 Shader Processing Units and the Radeon HD 7950 3-way Crossfire has 5376. However, the actual shader performance of the HD 7870 is 2285 and the actual shader performance of the HD 7950 is 3656. The HD 7950 having 1371 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 HD 7870.

The Radeon HD 7950 3-way Crossfire requires 540 Watts to run but there is no entry for the HD 7870. We would recommend a PSU with at least 500 Watts for the HD 7870.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed1050 MHzvs800 MHz
Boost Clock-vs-
ArchitectureGCN 1.0 Pitcairn XT (x2)GCN 1.0 Tahiti PRO (x3)
OC Potential Fair vs Fair
Driver Support Good vs Good
Release Date25 Jun 2012vs01 Jan 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900 - green tick vs green tick -
1920x1080
9.1
vs green tick
10
2560x1440 - green tick vs green tick -
3840x2160 - green tick vs green tick -

GPU Memory

Memory4096 MBvs9216 MB
Memory Speed1250 MHzvs1250 MHz
Memory Bus512 Bitvs1152 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth320GB/secvs720GB/sec
L2 Cache 1024 KB vs green tick 2304 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units2560vs5376
Actual Shader Performance100%vs100%
Technology28nmvs28nm
Texture Mapping Units160vs336
Texture Rate168 GTexel/svs268.8 GTexel/s
Render Output Units64vs96
Pixel Rate67.2 GPixel/svs76.8 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections1vs3
HDMI Connections1vs3
DisplayPort Connections0vs-
Comparison

GPU Power Requirements

Max Power-540 Watts
Recommended PSU500 Watts-

GPU Features

DirectX12.0vs12.0
Shader Model5.0vs5.0
Open GL4.4vs4.4
Open CL-vs-
Notebook GPUnono
SLI/Crossfireyesvsno
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-3570K 3.4GHzvsIntel Core i5-3570K 3.4GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1920x1080vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewRadeon HD 7870 Sapphire GHz OC Edition is a special edition of the powerful Radeon HD 7870. See the standard version for more information about it.
The differences include an increase in the core-clock that went from 1000MHz to 1050MHz and in the memory clock raised from 1200MHz to 1250MHz and a new quiet and efficient cooling system is also available.
Benchmarks indicate a 4,0% performance boost when compared to the standard Radeon HD 7870.
All games, including demanding one's, will run on the highest settings.
Radeon HD 7950 3-way Crossfire is a solution of three Radeon HD 7950 put together using AMD'S Crossfire technology.
Check the page of Radeon HD 7950 to know more about its chip.
Crossfire relies a lot on proper driver support and may suffer from micro-stuttering in lower frame rates (below 30). Benchmarks indicate the performance is overall, is somewhat superior to a single Radeon HD 7990 performing by itself it might be worse (depending on whether or not the 3D game supports crossfire or in the graphics driver) than a single Radeon HD 7950. Expect this combination to draw up to 540 Watt though the average power consumption should be slightly lower.
Even the most demanding games will run at the highest settings.
Recommended CPU
Possible GPU Upgrades
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GPU Variants
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