Radeon HD 7970 Vs Radeon R9 270X - HWBench

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3. Radeon HD 7970 vs Radeon R9 270X

Radeon HD 7970 vs Radeon R9 270X

Radeon HD 7970Memory: 3072Mb GDDR5DESKTOPRelease date: 22 Dec 2011

Radeon R9 270XMemory: 2048Mb GDDR5DESKTOPRelease date: 8 Oct 2013

Summary

Synthetic performance index

• Radeon HD 7970123%
• Radeon R9 270X100%

Relative performance

Gaming performance index

• Radeon HD 7970123%
• Radeon R9 270X100%

Relative performance

Reasons to consider Radeon HD 7970

23% higher gaming performance.

Supports Direct3D 12 Async Compute

Supports ReLive (allows game streaming/recording with minimum performance penalty)

Supports Mantle

Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Reasons to consider Radeon R9 270X

70 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7970 .

This is a much newer product, it might have better long term support.

Supports Direct3D 12 Async Compute

Supports ReLive (allows game streaming/recording with minimum performance penalty)

Supports Mantle

Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

HWBench recommends Radeon HD 7970

The Radeon HD 7970 is the better performing card based on the game benchmark suite used (8 combinations of games and resolutions).

Specifications

Core Configuration

Radeon HD 7970	Radeon R9 270X
GPU Name	Tahiti (Tahiti XT)	vs	Curacao (Curacao XT)
Fab Process	28 nm	vs	28 nm
Die Size	352 mm²	vs	212 mm²
Transistors	4,313 million	vs	2,800 million
Shaders	2048	vs	1280
Compute Units	32	vs	20
Core clock	925 MHz	vs	1000 MHz
ROPs	32	vs	32
TMUs	128	vs	80

Memory Configuration

Radeon HD 7970	Radeon R9 270X
Memory Type	GDDR5	vs	GDDR5
Bus Width	384 bit	vs	256 bit
Memory Speed	1375 MHz 5500 MHz effective	vs	1400 MHz 5600 MHz effective
Memory Size	3072 Mb	vs	2048 Mb

Additional details

Radeon HD 7970	Radeon R9 270X
TDP	250 watts	vs	180 watts
Release Date	22 Dec 2011	vs	8 Oct 2013

Raw Performance comparison

Pixel Rate

• Radeon HD 797029.60 GP/s
• Radeon R9 270X32.00 GP/s

GigaPixels - higher is better

Texel Rate

• Radeon HD 7970118.00 GT/s
• Radeon R9 270X80.00 GT/s

GigaTexels - higher is better

Memory bandwidth

• Radeon HD 7970264.00 GB/s
• Radeon R9 270X179.00 GB/s

GB/s - higher is better

Single precision performance

• Radeon HD 79703789.00 GFLOPs
• Radeon R9 270X2560.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

• Radeon HD 797010760
• Radeon R9 270X8700

Points (higher is better)

Game benchmarks

1920x12002560x1440 (WQHD)1920x1080 (Full HD)

Battlefield 4

DX11, Ultra Quality,2x MSAA,16x AF, HBAO

• Radeon HD 797067
• Radeon R9 270X53

FPS (higher is better)

Bioshock Infinite

DX11, Ultra Quality,DDOD, FX AA

• Radeon HD 797062
• Radeon R9 270X52

FPS (higher is better)

Crysis 3

DX11,Very High Quality, FXAA

• Radeon HD 797040
• Radeon R9 270X33

FPS (higher is better)

Medal Of Honor Warfighter

DX11, Ultra Quality, 4xMSAA

• Radeon HD 797060
• Radeon R9 270X48

FPS (higher is better)

Metro Last Light

DX11, AAA standard, 16xAF, Motion Blur normal, Tesselation normal

• Radeon HD 797043
• Radeon R9 270X38

FPS (higher is better)

Bioshock Infinite

DX11, Ultra, DDOD, FXAA

• Radeon HD 797039
• Radeon R9 270X34

FPS (higher is better)

Grand Theft Auto V

DX11, Max Details, 16:1 AF, 2xMSAA

• Radeon HD 797039
• Radeon R9 270X28

FPS (higher is better)

Grand Theft Auto V

DX11, Max Details, 16:1 AF, 2xMSAA

• Radeon HD 797054
• Radeon R9 270X42

FPS (higher is better)

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