AMD Radeon HD 6930 vs AMD Radeon HD 6970 X2

VS

AMD Radeon HD 6930

AMD Radeon HD 6970 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6930 and 2GB VRAM Radeon HD 6970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6930 's Advantages

Lower TDP (186W vs 375W)

AMD Radeon HD 6970 X2 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (176.0GB/s vs 153.6GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6930

1.92 TFLOPS

Radeon HD 6970 X2 +40%

2.703 TFLOPS

Radeon HD 6930

VS

Radeon HD 6970 X2

Graphics Card

Dec 2011

Release Date

Unknown

Northern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

176.0GB/s

Render Config

20

Compute Units

24

-

1280

Shading Units

1536

80

TMUs

96

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

28.16 GPixel/s

60.00 GTexel/s

Texture Rate

84.48 GTexel/s

-

1.920 TFLOPS

FP32 (float)

2.703 TFLOPS

480.0 GFLOPS

FP64 (double)

-

Board Design

186W

TDP

375W

450 W

Suggested PSU

750 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

3x 8-pin

Graphics Processor

Cayman

GPU Name

Antilles

Cayman CE (215-0807105)

GPU Variant

Antilles XT (215-0807027)

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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