AMD Radeon HD 6970M Mac Edition vs AMD Radeon R5 M240 Rebrand

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AMD Radeon HD 6970M Mac Edition AMD Radeon R5 M240 Rebrand

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 1024MB VRAM Radeon R5 M240 Rebrand 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 1GB)

Larger VRAM bandwidth (115.2GB/s vs 14.40GB/s)

576 additional rendering cores

AMD Radeon R5 M240 Rebrand 's Advantages

Released 2 years and 5 months late

Boost Clock700MHz

Score

Benchmark

FP32 (float)

Radeon HD 6970M Mac Edition +142%

1.306 TFLOPS

Radeon R5 M240 Rebrand

0.538 TFLOPS

Radeon HD 6970M Mac Edition

VS

Radeon R5 M240 Rebrand

Graphics Card

Aug 2011

Release Date

Jan 2014

Vancouver

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

650 MHz

-

Boost Clock

700 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

12

Compute Units

6

960

Shading Units

384

48

TMUs

24

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

21.76 GPixel/s

Pixel Rate

5.600 GPixel/s

32.64 GTexel/s

Texture Rate

16.80 GTexel/s

-

FP16 (half)

-

1306 GFLOPS

FP32 (float)

537.6 GFLOPS

-

FP64 (double)

33.60 GFLOPS

Graphics Processor

Blackcomb

GPU Name

Mars

Blackcomb XT (216-0811000)

GPU Variant

Mars LE

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

Board Design

75W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.1

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