ATI Radeon HD 5950 vs AMD Radeon HD 6670

VS

ATI Radeon HD 5950

AMD Radeon HD 6670

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5950 and 1024MB VRAM Radeon HD 6670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5950 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 64.00GB/s)

960 additional rendering cores

AMD Radeon HD 6670 's Advantages

Lower TDP (66W vs 302W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5950 +171%

2.088 TFLOPS

Radeon HD 6670

0.768 TFLOPS

ATI Radeon HD 5950

VS

Radeon HD 6670

Graphics Card

Unknown

Release Date

Apr 2011

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

64.00GB/s

Render Config

18

Compute Units

6

-

1440

Shading Units

480

72

TMUs

24

32

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

6.400 GPixel/s

52.20 GTexel/s

Texture Rate

19.20 GTexel/s

-

2.088 TFLOPS

FP32 (float)

768.0 GFLOPS

-

Board Design

302W

TDP

66W

700 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Hemlock

GPU Name

Turks

Hemlock PRO

GPU Variant

Turks XT (215-0803000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

0.716 billion

334 mm²

Die Size

118 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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