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

VS

AMD Radeon HD 8750A

AMD Radeon HD 6970M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8750A and 2GB VRAM Radeon HD 6970M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8750A 's Advantages

Released 1 years and 6 months late

Lower TDP (45W vs 75W)

AMD Radeon HD 6970M Mac Edition 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (115.2GB/s vs 16.00GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8750A

0.461 TFLOPS

Radeon HD 6970M Mac Edition +183%

1.306 TFLOPS

Radeon HD 8750A

VS

Radeon HD 6970M Mac Edition

Graphics Card

Feb 2013

Release Date

Aug 2011

All-In-One

Generation

Vancouver

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

115.2GB/s

Render Config

6

Compute Units

12

-

384

Shading Units

960

24

TMUs

48

8

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

21.76 GPixel/s

14.40 GTexel/s

Texture Rate

32.64 GTexel/s

-

460.8 GFLOPS

FP32 (float)

1306 GFLOPS

28.80 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

Blackcomb

Mars XT

GPU Variant

Blackcomb XT (216-0811000)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

1.7 billion

77 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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