ATI FirePro V7750 vs ATI Radeon HD 4855

VS

ATI FirePro V7750

ATI Radeon HD 4855

We compared two Desktop platform GPUs: 1024MB VRAM FirePro V7750 and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7750 's Advantages

More VRAM (1024GB vs 512GB)

Lower TDP (76W vs 110W)

ATI Radeon HD 4855 's Advantages

Released 10 months late

Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

FirePro V7750

0.512 TFLOPS

Radeon HD 4855 +43%

0.736 TFLOPS

FirePro V7750

VS

Radeon HD 4855

Graphics Card

Mar 2009

Release Date

Jan 2010

FirePro

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

115.2GB/s

Render Config

4

Compute Units

8

-

320

Shading Units

640

32

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

9.200 GPixel/s

25.60 GTexel/s

Texture Rate

18.40 GTexel/s

-

512.0 GFLOPS

FP32 (float)

736.0 GFLOPS

-

FP64 (double)

147.2 GFLOPS

Board Design

76W

TDP

110W

250 W

Suggested PSU

300 W

1x DVI 2x DisplayPort 1.0

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV730

GPU Name

RV770

RV730 GL XTX

GPU Variant

RV770 PRO (215-0669065)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.514 billion

Transistors

0.956 billion

146 mm²

Die Size

256 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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