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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 6670 v2 Sapphire 1GB Edition Radeon HD 4670 512MB
New World 789% 733%
Resident Evil 8 1207% 1125%
Grand Theft Auto VI 1313% 1225%
Battlefield 2042 1207% 1125%
Far Cry 6 1353% 1263%
Forza Horizon 5 691% 642%
FIFA 22 407% 375%
The Ascent 1656% 1546%
Dying Light 2 1264% 1179%
Days Gone 851% 792%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 4670 512MB are very slightly better than the AMD Radeon HD 6670 v2 Sapphire 1GB Edition.

The HD 6670 has a 50 MHz higher core clock speed than the HD 4670, but the HD 4670 has 8 more Texture Mapping Units than the HD 6670. As a result, the HD 4670 exhibits a 4.8 GTexel/s better Texture Fill Rate than the HD 6670. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The HD 6670 has a 50 MHz higher core clock speed than the HD 4670 and the same number of Render Output Units. This results in the HD 6670 providing 0.4 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 6670 was released over a year more recently than the HD 4670, and so the HD 6670 is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the HD 4670.

The HD 6670 has 512 MB more video memory than the HD 4670, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the HD 6670 also has superior memory performance overall.

The memory bandwidth of the Radeon HD 6670 v2 Sapphire 1GB Edition and the Radeon HD 4670 512MB are the same, which means the HD 6670 and the HD 4670 have equal limitations when it comes to graphical data transfer.

The Radeon HD 6670 v2 Sapphire 1GB Edition has 480 Shader Processing Units and the Radeon HD 4670 512MB has 320. However, the actual shader performance of the HD 6670 is 192 and the actual shader performance of the HD 4670 is 168. The HD 6670 having 24 better shader performance is not particularly notable, as altogether the HD 4670 performs better when taking into account other relevant data.

The HD 6670 transistor size technology is 15 nm (nanometers) smaller than the HD 4670. This means that the HD 6670 is expected to run slightly cooler and achieve higher clock frequencies than the HD 4670. While they exhibit similar graphical performance, the HD 6670 should consume less power than the HD 4670.

The Radeon HD 6670 v2 Sapphire 1GB Edition requires 66 Watts to run and the Radeon HD 4670 512MB requires 59 Watts. We would recommend a PSU with at least 400 Watts for the HD 6670 and a PSU with at least 400 Watts for the HD 4670. The HD 6670 requires 7 Watts more than the HD 4670 to run. The difference is not significant enough for the HD 6670 to have a noticeably larger impact on your yearly electricity bills than the HD 4670.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed800 MHzvs750 MHz
Boost Clock-vs-
ArchitectureTerascale 2 Turks XTR700 RV730 XT
OC Potential Fair vs Poor
Driver Support Poor vs Poor
Release Date19 Apr 2011vs10 Sep 2008
GPU LinkGD LinkGD Link

Resolution Performance

green tick vs -
green tick vs green tick
vs green tick
green tick vs
3840x2160 - vs green tick

GPU Memory

Memory1024 MBvs512 MB
Memory Speed800 MHzvs800 MHz
Memory Bus128 Bitvs128 Bit
Memory TypeDDR3vsGDDR3
Memory Bandwidth25.6GB/secvs25.6GB/sec
L2 Cache 256 KB green tick vs 0 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%

GPU Display

Shader Processing Units480vs320
Actual Shader Performance9%vs8%
Texture Mapping Units24vs32
Texture Rate19.2 GTexel/svs24 GTexel/s
Render Output Units8vs8
Pixel Rate6.4 GPixel/svs6 GPixel/s

GPU Outputs

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

GPU Power Requirements

Max Power66 Wattsvs59 Watts
Recommended PSU400 Watts & 27 Ampsvs400 Watts & 29 Amps

GPU Features

Shader Model5.0vs4.1
Open GL4.3vs3.3
Open CL-vs-
Notebook GPUnono

GPU Supporting Hardware

Recommended ProcessorIntel Core i3-530 2.9GHzvsIntel Core 2 Duo E8400 3.0GHz
Recommended RAM4 GBvs4 GB
Maximum Recommended Gaming Resolution1366x768vs1366x768

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
Radeon HD 6670 v2 Sapphire 1GB Edition is a special edition of AMD's fast-middle-class Radeon HD 6670 v2, created by Sapphire.

Overclock Out of The Box
The Clock Frequencies of both Central Unit and Operating Memory Clock Remain the Same.

Cooling Solution
The Cooling System remains the same.

Without Overclocking Out of The Box, Radeon HD 6670 v2 Sapphire 1GB Edition is as fast as the reference Radeon HD 6670 v2.
Radeon HD 4670 512MB is a Fast-Middle-Class Graphics Card based on the R700 Architecture.

R700 was AMD's Second Unified Shader Architecture.

It equips a GPU Codenamed RV730 XT which has 4 Compute Units activated and thus offers 320 Shader Processing Units, 32 TMUs and 8 ROPs. The Central Unit is clocked at 750MHz.

The GPU accesses a 512MB frame buffer of GDDR3, through a 128-bit memory interface. The size of the frame buffer is adequate. The Memory Clock Operates at 800MHz.

DirectX 10.1 Support (10.0 Hardware Default) and support for Crossfire.

Power Consumption
With a rated board TDP of 59W, it requires at least a 400W PSU and it relies entirely on the PCI slot for power meaning no extra connectors are required.

Gaming benchmarks put its performance somewhat below a GeForce GT 240.
Recommended CPU
Possible GPU Upgrades
GPU Variants