ATI FirePro V8700 Duo vs ATI Radeon HD 4855

VS

ATI FirePro V8700 Duo

ATI Radeon HD 4855

We compared two Desktop platform GPUs: 1024MB VRAM FirePro V8700 Duo 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 V8700 Duo 's Advantages

More VRAM (1024GB vs 512GB)

160 additional rendering cores

ATI Radeon HD 4855 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 108.8GB/s)

Lower TDP (110W vs 151W)

Score

Benchmark

FP32 (float)

FirePro V8700 Duo +63%

1.2 TFLOPS

Radeon HD 4855

0.736 TFLOPS

FirePro V8700 Duo

VS

Radeon HD 4855

Graphics Card

Unknown

Release Date

Jan 2010

FirePro

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

108.8GB/s

Bandwidth

115.2GB/s

Render Config

10

Compute Units

8

-

800

Shading Units

640

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

9.200 GPixel/s

30.00 GTexel/s

Texture Rate

18.40 GTexel/s

-

1200 GFLOPS

FP32 (float)

736.0 GFLOPS

-

FP64 (double)

147.2 GFLOPS

Board Design

151W

TDP

110W

450 W

Suggested PSU

300 W

No outputs

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV770

GPU Name

RV770

RV770 XT (215-0669049)

GPU Variant

RV770 PRO (215-0669065)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.956 billion

Transistors

0.956 billion

256 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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