ATI FirePro V7900 vs AMD Radeon HD 7770 GHz Edition

VS

ATI FirePro V7900

AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 72.00GB/s)

640 additional rendering cores

AMD Radeon HD 7770 GHz Edition 's Advantages

Released 9 months late

Lower TDP (80W vs 150W)

Score

Benchmark

FP32 (float)

FirePro V7900 +45%

1.856 TFLOPS

Radeon HD 7770 GHz Edition

1.28 TFLOPS

FirePro V7900

VS

Radeon HD 7770 GHz Edition

Graphics Card

May 2011

Release Date

Feb 2012

FirePro

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

72.00GB/s

Render Config

20

Compute Units

10

-

1280

Shading Units

640

80

TMUs

40

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

16.00 GPixel/s

58.00 GTexel/s

Texture Rate

40.00 GTexel/s

-

1.856 TFLOPS

FP32 (float)

1280 GFLOPS

464.0 GFLOPS

FP64 (double)

80.00 GFLOPS

Board Design

150W

TDP

80W

450 W

Suggested PSU

250 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

Graphics Processor

Cayman

GPU Name

Cape Verde

Cayman PRO GL

GPU Variant

Cape Verde XT

TeraScale 3

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.64 billion

Transistors

1.5 billion

389 mm²

Die Size

123 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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