ATI Radeon HD 4670 X2 vs ATI Radeon HD 2900 XT

VS

ATI Radeon HD 4670 X2

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 X2 and 512MB VRAM Radeon HD 2900 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 4 months late

Lower TDP (118W vs 215W)

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 22.40GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 4670 X2

0.48 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

Radeon HD 4670 X2

VS

Radeon HD 2900 XT

Graphics Card

Sep 2008

Release Date

May 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

828 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

512bit

22.40GB/s

Bandwidth

106.0GB/s

Render Config

4

Compute Units

4

-

320

Shading Units

320

32

TMUs

16

8

ROPs

16

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

11.89 GPixel/s

24.00 GTexel/s

Texture Rate

11.89 GTexel/s

-

480.0 GFLOPS

FP32 (float)

475.5 GFLOPS

-

Board Design

118W

TDP

215W

300 W

Suggested PSU

550 W

4x DVI

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV730

GPU Name

R600

RV730 XT (215-0719047)

GPU Variant

R600 XT (215RGMDKA13FG)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.514 billion

Transistors

0.72 billion

146 mm²

Die Size

420 mm²

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.0

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