ATI Radeon HD 4670 X2 vs ATI Radeon HD 2600 XT

VS

ATI Radeon HD 4670 X2

ATI Radeon HD 2600 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 X2 and 256MB VRAM ATI Radeon HD 2600 XT 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 3 months late

More VRAM (512GB vs 256GB)

200 additional rendering cores

ATI Radeon HD 2600 XT 's Advantages

Lower TDP (45W vs 118W)

Score

Benchmark

FP32 (float)

Radeon HD 4670 X2 +150%

0.48 TFLOPS

ATI Radeon HD 2600 XT

0.192 TFLOPS

Radeon HD 4670 X2

VS

ATI Radeon HD 2600 XT

Graphics Card

Sep 2008

Release Date

Jun 2007

Radeon R700

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

700 MHz

Memory Clock

700 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

22.40GB/s

Bandwidth

22.40GB/s

Render Config

4

Compute Units

3

-

320

Shading Units

120

32

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

3.200 GPixel/s

24.00 GTexel/s

Texture Rate

6.400 GTexel/s

-

480.0 GFLOPS

FP32 (float)

192.0 GFLOPS

-

Board Design

118W

TDP

45W

300 W

Suggested PSU

200 W

4x DVI

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

RV730

GPU Name

RV630

RV730 XT (215-0719047)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.514 billion

Transistors

0.39 billion

146 mm²

Die Size

153 mm²

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.0

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