AMD Radeon HD 7970 X2 vs AMD FirePro W4000

VS

AMD Radeon HD 7970 X2

AMD FirePro W4000

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 2GB VRAM FirePro W4000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 X2 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 102.4GB/s)

1280 additional rendering cores

AMD FirePro W4000 's Advantages

Lower TDP (75W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +199%

3.789 TFLOPS

FirePro W4000

1.267 TFLOPS

Radeon HD 7970 X2

VS

FirePro W4000

Graphics Card

Aug 2012

Release Date

Aug 2012

Southern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

102.4GB/s

Render Config

32

Compute Units

12

-

2048

Shading Units

768

128

TMUs

48

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

26.40 GPixel/s

118.4 GTexel/s

Texture Rate

39.60 GTexel/s

-

3.789 TFLOPS

FP32 (float)

1267 GFLOPS

947.2 GFLOPS

FP64 (double)

79.20 GFLOPS

Board Design

500W

TDP

75W

900 W

Suggested PSU

250 W

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

Outputs

1x DVI 2x DisplayPort 1.2

3x 8-pin

Power Connectors

None

Graphics Processor

New Zealand

GPU Name

Pitcairn

-

GPU Variant

Pitcairn LE GL

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

2.8 billion

352 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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