AMD Radeon HD 6670 vs ATI Radeon HD 2600 XT

VS

AMD Radeon HD 6670

ATI Radeon HD 2600 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 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

AMD Radeon HD 6670 's Advantages

Released 3 years and 10 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 22.40GB/s)

360 additional rendering cores

ATI Radeon HD 2600 XT 's Advantages

Lower TDP (45W vs 66W)

Score

Benchmark

FP32 (float)

Radeon HD 6670 +300%

0.768 TFLOPS

ATI Radeon HD 2600 XT

0.192 TFLOPS

Radeon HD 6670

VS

ATI Radeon HD 2600 XT

Graphics Card

Apr 2011

Release Date

Jun 2007

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

22.40GB/s

Render Config

6

Compute Units

3

-

480

Shading Units

120

24

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

3.200 GPixel/s

19.20 GTexel/s

Texture Rate

6.400 GTexel/s

-

768.0 GFLOPS

FP32 (float)

192.0 GFLOPS

-

Board Design

66W

TDP

45W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

None

Graphics Processor

Turks

GPU Name

RV630

Turks XT (215-0803000)

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.716 billion

Transistors

0.39 billion

118 mm²

Die Size

153 mm²

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.0

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