AMD Radeon HD 6930 vs AMD Radeon HD 6950

VS

AMD Radeon HD 6930

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6930 and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6930 's Advantages

Released 1 years late

Lower TDP (186W vs 200W)

AMD Radeon HD 6950 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 153.6GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6930

1.92 TFLOPS

Radeon HD 6950 +17%

2.253 TFLOPS

Radeon HD 6930

VS

Radeon HD 6950

Graphics Card

Dec 2011

Release Date

Dec 2010

Northern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

160.0GB/s

Render Config

20

Compute Units

22

-

1280

Shading Units

1408

80

TMUs

88

32

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

24.00 GPixel/s

Pixel Rate

25.60 GPixel/s

60.00 GTexel/s

Texture Rate

70.40 GTexel/s

-

1.920 TFLOPS

FP32 (float)

2.253 TFLOPS

480.0 GFLOPS

FP64 (double)

563.2 GFLOPS

Board Design

186W

TDP

200W

450 W

Suggested PSU

550 W

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

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cayman

GPU Name

Cayman

Cayman CE (215-0807105)

GPU Variant

Cayman PRO (215-0807019)

TeraScale 3

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

2.64 billion

389 mm²

Die Size

389 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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