AMD Radeon HD 6970M Mac Edition vs AMD Radeon HD 8750M

VS

AMD Radeon HD 6970M Mac Edition

AMD Radeon HD 8750M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 1024MB VRAM Radeon HD 8750M 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

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)

576 additional rendering cores

AMD Radeon HD 8750M 's Advantages

Released 1 years and 6 months late

Boost Clock825MHz

Score

Benchmark

FP32 (float)

Radeon HD 6970M Mac Edition +106%

1.306 TFLOPS

Radeon HD 8750M

0.633 TFLOPS

Radeon HD 6970M Mac Edition

VS

Radeon HD 8750M

Graphics Card

Aug 2011

Release Date

Feb 2013

Vancouver

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

775 MHz

-

Boost Clock

825 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

28.80GB/s

Render Config

12

Compute Units

6

-

960

Shading Units

384

48

TMUs

24

32

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

21.76 GPixel/s

Pixel Rate

6.600 GPixel/s

32.64 GTexel/s

Texture Rate

19.80 GTexel/s

-

1306 GFLOPS

FP32 (float)

633.6 GFLOPS

-

FP64 (double)

39.60 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

Mars

Blackcomb XT (216-0811000)

GPU Variant

Mars S3 XT (216-0842018)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

0.95 billion

212 mm²

Die Size

77 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5 (5.1)

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