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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 7870 DirectCU II 2GB Edition Radeon HD 5670 Diamond 1GB GDDR5
Cyberpunk 2077 115% 801%
Hitman 3 180% 1072%
Assassins Creed: Valhalla 97% 724%
Resident Evil 8 115% 801%
FIFA 21 9% 355%
Grand Theft Auto VI 203% 1168%
Call of Duty: Black Ops Cold War 90% 697%
Genshin Impact 115% 801%
The Medium 168% 1024%
Far Cry 6 211% 1204%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 7870 DirectCU II 2GB Edition are massively better than the AMD Radeon HD 5670 Diamond 1GB GDDR5.

The HD 7870 has a 235 MHz higher core clock speed and 60 more Texture Mapping Units than the HD 5670. This results in the HD 7870 providing 65.3 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 7870 has a 235 MHz higher core clock speed and 24 more Render Output Units than the HD 5670. This results in the HD 7870 providing 26.1 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 7870 was released over a year more recently than the HD 5670, and so the HD 7870 is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the HD 5670.

The HD 7870 has 1024 MB more video memory than the HD 5670, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the HD 7870 also has superior memory performance overall.

The HD 7870 has 90.9 GB/sec greater memory bandwidth than the HD 5670, which means that the memory performance of the HD 7870 is massively better than the HD 5670.

The Radeon HD 7870 DirectCU II 2GB Edition has 1280 Shader Processing Units and the Radeon HD 5670 Diamond 1GB GDDR5 has 400. However, the actual shader performance of the HD 7870 is 1099 and the actual shader performance of the HD 5670 is 155. The HD 7870 having 944 better shader performance and an altogether better performance when taking into account other relevant data means that the HD 7870 delivers a massively smoother and more efficient experience when processing graphical data than the HD 5670.

The HD 7870 transistor size technology is 12 nm (nanometers) smaller than the HD 5670. This means that the HD 7870 is expected to run slightly cooler and achieve higher clock frequencies than the HD 5670.

We would recommend a PSU with at least 400 Watts for the HD 5670, but we do not have a recommended PSU wattage for the HD 7870.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed1010 MHzvs775 MHz
Boost Clock-vs-
ArchitectureGCN 1.0 Pitcairn XTTerascale 2 Redwood XT
OC Potential Fair vs Fair
Driver Support Good vs Poor
Release Date01 Jun 2012vs01 Feb 2010
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900
9.3
green tick vs -
1920x1080
7.2
green tick vs -
2560x1440
5.4
green tick vs -
3840x2160
3.7
green tick vs -

GPU Memory

Memory2048 MBvs1024 MB
Memory Speed1210 MHzvs1000 MHz
Memory Bus256 Bitvs128 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth154.9GB/secvs64GB/sec
L2 Cache 512 KB green tick vs 256 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units1280vs400
Actual Shader Performance53%vs7%
Technology28nmvs40nm
Texture Mapping Units80vs20
Texture Rate80.8 GTexel/svs15.5 GTexel/s
Render Output Units32vs8
Pixel Rate32.3 GPixel/svs6.2 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs2560x1600
VGA Connections0vs1
DVI Connections1vs1
HDMI Connections1vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power--
Recommended PSU-400 Watts

GPU Features

DirectX12.0vs11.0
Shader Model5.0vs5.0
Open GL4.4vs4.3
Open CL-vs-
Notebook GPUnono
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-3570K 3.4GHzvsIntel Pentium Dual Core E5500 2.8GHz
Recommended RAM8 GBvs4 GB
Maximum Recommended Gaming Resolution1920x1080vs1440x900

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewRadeon HD 7870 DirectCU II 2GB Edition is a special edition of the powerful Radeon HD 7870. See the standard version for more information about it.
The new features include the DirectCU II cooling solution which is 20% more effective than the reference cooler, according to Asus and a small increase in the core-clock to 1010MHz as well as in the memory clock to 1210MHz.
Benchmarks indicate almost no performance boost when compared to the standard Radeon HD 7870 and so its performance is on level with the it as the boost is beneath 1%.
All games, including demanding one's, will run on the highest settings.
Radeon HD 5670 Diamond 1GB GDDR5 is a special edition of the middle-class Radeon HD 5670 that features a custom cooling system and no other change meaning its performance is on level with the reference AMD Radeon HD 5670 1GB but operates at lower temperatures.
Recommended CPU
Possible GPU Upgrades
GPU Variants
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