ATI FirePro V7800 vs ATI FirePro V4900

VS

ATI FirePro V7800

ATI FirePro V4900

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7800 and 1024MB VRAM FirePro V4900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7800 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 64.00GB/s)

960 additional rendering cores

ATI FirePro V4900 's Advantages

Released 1 years and 7 months late

Lower TDP (75W vs 150W)

Score

Benchmark

FP32 (float)

FirePro V7800 +162%

2.016 TFLOPS

FirePro V4900

0.768 TFLOPS

FirePro V7800

VS

FirePro V4900

Graphics Card

Apr 2010

Release Date

Nov 2011

FirePro

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

64.00GB/s

Render Config

18

Compute Units

6

-

1440

Shading Units

480

72

TMUs

24

32

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

22.40 GPixel/s

Pixel Rate

6.400 GPixel/s

50.40 GTexel/s

Texture Rate

19.20 GTexel/s

-

2.016 TFLOPS

FP32 (float)

768.0 GFLOPS

403.2 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

75W

450 W

Suggested PSU

250 W

1x DVI 2x DisplayPort 1.1

Outputs

1x DVI 2x DisplayPort 1.1

1x 6-pin

Power Connectors

None

Graphics Processor

Cypress

GPU Name

Turks

Cypress PRO GL

GPU Variant

Turks XT GL

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

0.716 billion

334 mm²

Die Size

118 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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