AMD Radeon HD 7770 GHz Edition vs ATI FirePro V7900 SDI

VS

AMD Radeon HD 7770 GHz Edition

ATI FirePro V7900 SDI

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

Main Differences

AMD Radeon HD 7770 GHz Edition 's Advantages

Released 9 months late

Lower TDP (80W vs 150W)

ATI FirePro V7900 SDI 's Advantages

More VRAM (2GB vs 1024GB)

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

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition

1.28 TFLOPS

FirePro V7900 SDI +45%

1.856 TFLOPS

Radeon HD 7770 GHz Edition

VS

FirePro V7900 SDI

Graphics Card

Feb 2012

Release Date

May 2011

Southern Islands

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

160.0GB/s

Render Config

10

Compute Units

20

-

640

Shading Units

1280

40

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

23.20 GPixel/s

40.00 GTexel/s

Texture Rate

58.00 GTexel/s

-

1280 GFLOPS

FP32 (float)

1.856 TFLOPS

80.00 GFLOPS

FP64 (double)

464.0 GFLOPS

Board Design

80W

TDP

150W

250 W

Suggested PSU

450 W

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

Outputs

4x SDI

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cape Verde

GPU Name

Cayman

Cape Verde XT

GPU Variant

Cayman PRO GL

GCN 1.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

2.64 billion

123 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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