AMD Radeon HD 6970M Mac Edition vs AMD Radeon HD 6990M

VS

AMD Radeon HD 6970M Mac Edition AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M Mac Edition 's Advantages

Lower TDP (75W vs 100W)

AMD Radeon HD 6990M 's Advantages

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6970M Mac Edition

1.306 TFLOPS

Radeon HD 6990M +22%

1.602 TFLOPS

Radeon HD 6970M Mac Edition

VS

Radeon HD 6990M

Graphics Card

Aug 2011

Release Date

Jul 2011

Vancouver

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

12

Compute Units

14

960

Shading Units

1120

48

TMUs

56

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

21.76 GPixel/s

Pixel Rate

22.88 GPixel/s

32.64 GTexel/s

Texture Rate

40.04 GTexel/s

-

FP16 (half)

-

1306 GFLOPS

FP32 (float)

1.602 TFLOPS

-

FP64 (double)

-

Graphics Processor

Blackcomb

GPU Name

Blackcomb

Blackcomb XT (216-0811000)

GPU Variant

Blackcomb XTX (216-0811030)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

1.7 billion

212 mm²

Die Size

212 mm²

Board Design

75W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

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

-

CUDA

-

5.0

Shader Model

5.0

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