Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 8670 (OEM) Radeon HD 6870 PowerColor 1GB Edition
Red Dead Redemption 2 386% 189%
Halo: Reach 55% 8%
Cyberpunk 2077 568% 297%
Call of Duty: Modern Warfare 386% 189%
Doom Eternal 318% 149%
Microsoft Flight Simulator 568% 297%
Grand Theft Auto VI 643% 342%
Dragon Ball Z Kakarot 200% 78%
Star Wars: Jedi - Fallen Order 568% 297%
Need For Speed Heat 386% 189%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 6870 PowerColor 1GB Edition are significantly better than the AMD Radeon HD 8670 (OEM).

The HD 8670 has a 100 MHz higher core clock speed than the HD 6870, but the HD 6870 has 32 more Texture Mapping Units than the HD 8670. As a result, the HD 6870 exhibits a 26.4 GTexel/s better Texture Fill Rate than the HD 8670. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The HD 8670 has a 100 MHz higher core clock speed than the HD 6870, but the HD 6870 has 24 more Render Output Units than the HD 8670. As a result, the HD 6870 exhibits a 20.8 GPixel/s better Pixel Fill Rate than the HD 8670. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The HD 8670 was released over a year more recently than the HD 6870, and so the HD 8670 is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the HD 6870.

The HD 8670 has 1024 MB more video memory than the HD 6870, so is likely to be much better at displaying game textures at higher resolutions. However, the overall memory performance is about the same.

The HD 6870 has 60.8 GB/sec greater memory bandwidth than the HD 8670, which means that the memory performance of the HD 6870 is much better than the HD 8670.

The Radeon HD 8670 (OEM) has 384 Shader Processing Units and the Radeon HD 6870 PowerColor 1GB Edition has 1120. However, the actual shader performance of the HD 8670 is 343 and the actual shader performance of the HD 6870 is 504. The HD 6870 having 161 better shader performance and an altogether better performance when taking into account other relevant data means that the HD 6870 delivers a massively smoother and more efficient experience when processing graphical data than the HD 8670.

The HD 8670 transistor size technology is 12 nm (nanometers) smaller than the HD 6870. This means that the HD 8670 is expected to run slightly cooler and achieve higher clock frequencies than the HD 6870.

The Radeon HD 8670 (OEM) requires 75 Watts to run but there is no entry for the Radeon HD 6870 PowerColor 1GB Edition. We would recommend a PSU with at least 400 Watts for the HD 8670 and a PSU with at least 500 Watts for the HD 6870. The HD 6870 has been recommended a PSU with 100 Watts more than the HD 8670. The difference is significant enough that the HD 6870 may have an adverse affect on your yearly electricity bills in comparison to the HD 8670.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed1000 MHzvs900 MHz
Boost Clock1050 MHzvs-
ArchitectureGCN 1.1 Oland XTTerascale 2 Barts XT
OC Potential Poor vs Fair
Driver Support Great vs Poor
Release Date08 Jan 2013vs01 Nov 2011
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900
5.6
vs green tick
7.9
1920x1080
4.6
vs green tick
6
2560x1440
3
vs green tick
4.3
3840x2160
2.1
green tick vs -

GPU Memory

Memory2048 MBvs1024 MB
Memory Speed1150 MHzvs1050 MHz
Memory Bus128 Bitvs256 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth73.6GB/secvs134.4GB/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 Units384vs1120
Actual Shader Performance17%vs24%
Technology28nmvs40nm
Texture Mapping Units24vs56
Texture Rate24 GTexel/svs50.4 GTexel/s
Render Output Units8vs32
Pixel Rate8 GPixel/svs28.8 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs2560x1600
VGA Connections1vs0
DVI Connections1vs2
HDMI Connections1vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power75 Watts-
Recommended PSU400 Watts & 27 Ampsvs500 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 i3-3210 3.2GHzvsIntel Core i5-760 2.8GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1600x900vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
Radeon HD 8670 (OEM) is an OEM Only, Fast-Middle-Class Graphics Card based on the First Revision of the Graphics Core Next (GCN) Architecture.

Architecture
The GCN 1.1 revision of the Graphics Core Next Architecture adds new important technologies and is largely oriented for energy efficiency. New technologies such as PowerTune and TrueAudio are the biggest additions as well as DirectX 11.2 support.

GPU
It equips a GPU Codenamed Oland XT which has 6 Compute Units activated and thus offers 384 Shader Processing Units, 24 TMUs and 8 ROPs. The Central Unit is clocked at 1000MHz and goes up to 1050MHz, in Turbo Mode.

Memory
The GPU accesses a 1GB frame buffer of fast GDDR5, through a 128-bit memory interface. The size of the frame buffer is adequate. The Memory Clock Operates at 1150MHz.

Power Consumption
With a rated board TDP of 60W, it requires at least a 400W PSU and relies entirely on the PCI Slot for power, meaning no extra connectors are required.

Performance
Radeon HD 8670 (OEM) Competes with GeForce GTX 750 but the latter is much faster and slightly more efficient.
It proves to be as fast as Radeon HD 7750.

System Suggestions
Radeon HD 8670 (OEM) is best suited for resolutions up to and including 1600x900. We recommend a Decent Processor (Intel Core i3 Dual Core/AMD FX Quad Core) and 8GB of RAM for Optimal Performance.
Radeon HD 6870 PowerColor 1GB Edition is a special edition of the high-end Radeon HD 6870. See its page for more information about it.
It has no new features and so it can be addressed as a renamed Radeon HD 6870. Therefore its performance is exactly like the standard's.
Recommended CPU
Possible GPU Upgrades
GPU Variants
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