ATI FireMV 2250 vs ATI Radeon HD 4855

VS

ATI FireMV 2250

ATI Radeon HD 4855

We compared two Desktop platform GPUs: 256MB VRAM FireMV 2250 and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FireMV 2250 's Advantages

Lower TDP (32W vs 110W)

ATI Radeon HD 4855 's Advantages

Released 3 years late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (115.2GB/s vs 12.80GB/s)

640 additional rendering cores

Score

FireMV 2250

VS

Radeon HD 4855

Graphics Card

Jan 2007

Release Date

Jan 2010

FireMV Multi-View

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

12.80GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

8

-

Shading Units

640

4

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

9.200 GPixel/s

2.400 GTexel/s

Texture Rate

18.40 GTexel/s

-

FP32 (float)

736.0 GFLOPS

-

FP64 (double)

147.2 GFLOPS

Board Design

32W

TDP

110W

200 W

Suggested PSU

300 W

1x S-Video 1x DMS-59

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

1x 6-pin

Graphics Processor

RV516

GPU Name

RV770

-

GPU Variant

RV770 PRO (215-0669065)

R500

Architecture

TeraScale

UMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.107 billion

Transistors

0.956 billion

100 mm²

Die Size

256 mm²

Graphics Features

9.0c (9_3)

DirectX

10.1 (10_1)

2.1

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

3.0

Shader Model

4.1

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