ATI Radeon HD 4670 X2 vs ATI Radeon X1550

VS

ATI Radeon HD 4670 X2

ATI Radeon X1550

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 X2 and 256MB VRAM Radeon X1550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4670 X2 's Advantages

Released 1 years and 8 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (22.40GB/s vs 12.80GB/s)

320 additional rendering cores

ATI Radeon X1550 's Advantages

Lower TDP (27W vs 118W)

Score

Radeon HD 4670 X2

VS

Radeon X1550

Graphics Card

Sep 2008

Release Date

Jan 2007

Radeon R700

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

700 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

128bit

22.40GB/s

Bandwidth

12.80GB/s

Render Config

4

Compute Units

-

320

Shading Units

-

32

TMUs

4

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

2.200 GPixel/s

24.00 GTexel/s

Texture Rate

2.200 GTexel/s

-

480.0 GFLOPS

FP32 (float)

-

Board Design

118W

TDP

27W

300 W

Suggested PSU

200 W

4x DVI

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

RV730

GPU Name

RV516

RV730 XT (215-0719047)

GPU Variant

-

TeraScale

Architecture

R500

TSMC

Foundry

UMC

55 nm

Process Size

80 nm

0.514 billion

Transistors

0.107 billion

146 mm²

Die Size

100 mm²

Graphics Features

10.1 (10_1)

DirectX

9.0c (9_3)

3.3

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

3.0

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