ATI Radeon HD 4855 vs ATI FireMV 2400 PCI

VS

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4855 and 128MB VRAM FireMV 2400 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4855 's Advantages

Released 2 years late

More VRAM (512GB vs 128GB)

Larger VRAM bandwidth (115.2GB/s vs 16.00GB/s)

640 additional rendering cores

ATI FireMV 2400 PCI 's Advantages

Lower TDP (20W vs 110W)

Score

Radeon HD 4855

VS

FireMV 2400 PCI

Graphics Card

Jan 2010

Release Date

Jan 2008

Radeon R700

Generation

FireMV Multi-View

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCI

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

500 MHz

Memory

512MB

Memory Size

128MB

GDDR5

Memory Type

DDR

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

8

Compute Units

-

640

Shading Units

-

32

TMUs

4

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

9.200 GPixel/s

Pixel Rate

2.000 GPixel/s

18.40 GTexel/s

Texture Rate

2.000 GTexel/s

-

FP16 (half)

-

736.0 GFLOPS

FP32 (float)

-

147.2 GFLOPS

FP64 (double)

-

Graphics Processor

RV770

GPU Name

RV380

RV770 PRO (215-0669065)

GPU Variant

-

TeraScale

Architecture

Rage 9

TSMC

Foundry

TSMC

55 nm

Process Size

130 nm

0.956 billion

Transistors

0.075 billion

256 mm²

Die Size

92 mm²

Board Design

110W

TDP

20W

300 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x VHDCI

1x 6-pin

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

9.0

3.3

OpenGL

2.0

1.1

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

-

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