AMD Radeon HD 7970 vs ATI FirePro V7770

VS

AMD Radeon HD 7970

ATI FirePro V7770

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 1024MB VRAM FirePro V7770 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 33.60GB/s)

1248 additional rendering cores

ATI FirePro V7770 's Advantages

Lower TDP (76W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +278%

3.789 TFLOPS

FirePro V7770

1 TFLOPS

Radeon HD 7970

VS

FirePro V7770

Graphics Card

Dec 2011

Release Date

Jan 2012

Southern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1050 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR4

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

33.60GB/s

Render Config

32

Compute Units

10

-

2048

Shading Units

800

128

TMUs

40

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

128 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

5.000 GPixel/s

118.4 GTexel/s

Texture Rate

25.00 GTexel/s

-

3.789 TFLOPS

FP32 (float)

1000 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

76W

600 W

Suggested PSU

250 W

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

Outputs

1x DVI

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

RV770

Tahiti XT (215-0821060)

GPU Variant

RV770 XT (215-0669049)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.956 billion

352 mm²

Die Size

256 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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