AMD Radeon HD 7970 vs ATI FirePro V3900

VS

AMD Radeon HD 7970

ATI FirePro V3900

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 1024MB VRAM FirePro V3900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (264.0GB/s vs 28.80GB/s)

1568 additional rendering cores

ATI FirePro V3900 's Advantages

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +507%

3.789 TFLOPS

FirePro V3900

0.624 TFLOPS

Radeon HD 7970

VS

FirePro V3900

Graphics Card

Dec 2011

Release Date

Feb 2012

Southern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

28.80GB/s

Render Config

32

Compute Units

6

-

2048

Shading Units

480

128

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

5.200 GPixel/s

118.4 GTexel/s

Texture Rate

15.60 GTexel/s

-

3.789 TFLOPS

FP32 (float)

624.0 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

50W

600 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x DisplayPort 1.1

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Turks

Tahiti XT (215-0821060)

GPU Variant

Turks GL

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.716 billion

352 mm²

Die Size

118 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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