AMD Radeon HD 6950 vs AMD Radeon HD 6530

VS

AMD Radeon HD 6950

AMD Radeon HD 6530

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 1024MB VRAM Radeon HD 6530 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 19.20GB/s)

1008 additional rendering cores

AMD Radeon HD 6530 's Advantages

Lower TDP (39W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 6950 +333%

2.253 TFLOPS

Radeon HD 6530

0.52 TFLOPS

Radeon HD 6950

VS

Radeon HD 6530

Graphics Card

Dec 2010

Release Date

May 2011

Northern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

19.20GB/s

Render Config

22

Compute Units

5

-

1408

Shading Units

400

88

TMUs

20

32

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

5.200 GPixel/s

70.40 GTexel/s

Texture Rate

13.00 GTexel/s

-

2.253 TFLOPS

FP32 (float)

520.0 GFLOPS

563.2 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

39W

550 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

-

Graphics Processor

Cayman

GPU Name

Redwood

Cayman PRO (215-0807019)

GPU Variant

Redwood PRO (215-0757004)

TeraScale 3

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

0.627 billion

389 mm²

Die Size

104 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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