AMD Radeon HD 7970 X2 vs ATI FirePro V7900

VS

AMD Radeon HD 7970 X2

ATI FirePro V7900

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 2GB VRAM FirePro V7900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 X2 's Advantages

Released 1 years and 3 months late

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 160.0GB/s)

768 additional rendering cores

ATI FirePro V7900 's Advantages

Lower TDP (150W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +104%

3.789 TFLOPS

FirePro V7900

1.856 TFLOPS

Radeon HD 7970 X2

VS

FirePro V7900

Graphics Card

Aug 2012

Release Date

May 2011

Southern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1250 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

160.0GB/s

Render Config

32

Compute Units

20

-

2048

Shading Units

1280

128

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

23.20 GPixel/s

118.4 GTexel/s

Texture Rate

58.00 GTexel/s

-

3.789 TFLOPS

FP32 (float)

1.856 TFLOPS

947.2 GFLOPS

FP64 (double)

464.0 GFLOPS

Board Design

500W

TDP

150W

900 W

Suggested PSU

450 W

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

Outputs

4x DisplayPort 1.2

3x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

New Zealand

GPU Name

Cayman

-

GPU Variant

Cayman PRO GL

GCN 1.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

2.64 billion

352 mm²

Die Size

389 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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