AMD Radeon HD 7950 vs ATI Radeon HD 5670

VS

AMD Radeon HD 7950

ATI Radeon HD 5670

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 1024MB VRAM Radeon HD 5670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Released 2 years late

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 64.00GB/s)

1392 additional rendering cores

ATI Radeon HD 5670 's Advantages

Lower TDP (64W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 +362%

2.867 TFLOPS

Radeon HD 5670

0.62 TFLOPS

Radeon HD 7950

VS

Radeon HD 5670

Graphics Card

Jan 2012

Release Date

Jan 2010

Southern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

64.00GB/s

Render Config

28

Compute Units

5

-

1792

Shading Units

400

112

TMUs

20

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

6.200 GPixel/s

89.60 GTexel/s

Texture Rate

15.50 GTexel/s

-

2.867 TFLOPS

FP32 (float)

620.0 GFLOPS

716.8 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

64W

550 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Redwood

Tahiti PRO (215-0821056)

GPU Variant

Redwood XT (215-0757002)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.627 billion

352 mm²

Die Size

104 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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