ATI Radeon HD 4570 vs ATI Radeon HD 4855

VS

ATI Radeon HD 4570

ATI Radeon HD 4855

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4570 and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4570 's Advantages

More VRAM (1024GB vs 512GB)

Lower TDP (25W vs 110W)

ATI Radeon HD 4855 's Advantages

Released 1 years and 2 months late

Larger VRAM bandwidth (115.2GB/s vs 8.000GB/s)

560 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4570

0.104 TFLOPS

Radeon HD 4855 +607%

0.736 TFLOPS

Radeon HD 4570

VS

Radeon HD 4855

Graphics Card

Nov 2008

Release Date

Jan 2010

Radeon R700

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

512MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

8.000GB/s

Bandwidth

115.2GB/s

Render Config

1

Compute Units

8

-

80

Shading Units

640

8

TMUs

32

4

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

9.200 GPixel/s

5.200 GTexel/s

Texture Rate

18.40 GTexel/s

-

104.0 GFLOPS

FP32 (float)

736.0 GFLOPS

-

FP64 (double)

147.2 GFLOPS

Board Design

25W

TDP

110W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

1x 6-pin

Graphics Processor

RV710

GPU Name

RV770

RV710 (215-0725016)

GPU Variant

RV770 PRO (215-0669065)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.242 billion

Transistors

0.956 billion

73 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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