ATI FirePro V7900 vs AMD Radeon HD 7970

VS

ATI FirePro V7900

AMD Radeon HD 7970

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

Main Differences

ATI FirePro V7900 's Advantages

Lower TDP (150W vs 250W)

AMD Radeon HD 7970 's Advantages

Released 7 months late

More VRAM (3GB vs 2GB)

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

768 additional rendering cores

Score

Benchmark

FP32 (float)

FirePro V7900

1.856 TFLOPS

Radeon HD 7970 +104%

3.789 TFLOPS

FirePro V7900

VS

Radeon HD 7970

Graphics Card

May 2011

Release Date

Dec 2011

FirePro

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

160.0GB/s

Bandwidth

264.0GB/s

Render Config

20

Compute Units

32

-

1280

Shading Units

2048

80

TMUs

128

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

29.60 GPixel/s

58.00 GTexel/s

Texture Rate

118.4 GTexel/s

-

1.856 TFLOPS

FP32 (float)

3.789 TFLOPS

464.0 GFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

150W

TDP

250W

450 W

Suggested PSU

600 W

4x DisplayPort 1.2

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cayman

GPU Name

Tahiti

Cayman PRO GL

GPU Variant

Tahiti XT (215-0821060)

TeraScale 3

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

4.313 billion

389 mm²

Die Size

352 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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