AMD FirePro W8000 vs ATI Radeon HD 4855

VS

AMD FirePro W8000

ATI Radeon HD 4855

We compared two Desktop platform GPUs: 4GB VRAM FirePro W8000 and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FirePro W8000 's Advantages

Released 2 years and 5 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (176.0GB/s vs 115.2GB/s)

1152 additional rendering cores

ATI Radeon HD 4855 's Advantages

Lower TDP (110W vs 225W)

Score

Benchmark

FP32 (float)

FirePro W8000 +338%

3.226 TFLOPS

Radeon HD 4855

0.736 TFLOPS

FirePro W8000

VS

Radeon HD 4855

Graphics Card

Jun 2012

Release Date

Jan 2010

FirePro

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

115.2GB/s

Render Config

28

Compute Units

8

-

1792

Shading Units

640

112

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

9.200 GPixel/s

100.8 GTexel/s

Texture Rate

18.40 GTexel/s

-

3.226 TFLOPS

FP32 (float)

736.0 GFLOPS

806.4 GFLOPS

FP64 (double)

147.2 GFLOPS

Board Design

225W

TDP

110W

550 W

Suggested PSU

300 W

4x DisplayPort 1.2 1x SDI

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

RV770

Tahiti PRO GL

GPU Variant

RV770 PRO (215-0669065)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.956 billion

352 mm²

Die Size

256 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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