ATI Radeon HD 2900 PRO vs AMD Radeon HD 7670 OEM

VS

ATI Radeon HD 2900 PRO

AMD Radeon HD 7670 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 PRO and 512MB VRAM Radeon HD 7670 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670 OEM 's Advantages

Released 4 years and 1 months late

Larger VRAM bandwidth (64.00GB/s vs 51.20GB/s)

160 additional rendering cores

Lower TDP (66W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 PRO

0.384 TFLOPS

Radeon HD 7670 OEM +100%

0.768 TFLOPS

Radeon HD 2900 PRO

VS

Radeon HD 7670 OEM

Graphics Card

Dec 2007

Release Date

Jan 2012

Radeon R600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

128bit

51.20GB/s

Bandwidth

64.00GB/s

Render Config

4

Compute Units

6

-

320

Shading Units

480

16

TMUs

24

16

ROPs

8

-

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

6.400 GPixel/s

9.600 GTexel/s

Texture Rate

19.20 GTexel/s

-

384.0 GFLOPS

FP32 (float)

768.0 GFLOPS

-

Board Design

200W

TDP

66W

550 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 1x DisplayPort 1.1 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

Turks

R600 PRO (215RGMDKA13FG)

GPU Variant

Turks XT (215-0803000)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.72 billion

Transistors

0.716 billion

420 mm²

Die Size

118 mm²

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.0

Shader Model

5.0

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