AMD Radeon HD 6970M Mac Edition vs AMD Radeon R5 M445

VS

AMD Radeon HD 6970M Mac Edition AMD Radeon R5 M445

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 4GB VRAM Radeon R5 M445 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

Larger VRAM bandwidth (115.2GB/s vs 32.00GB/s)

576 additional rendering cores

AMD Radeon R5 M445 's Advantages

Released 4 years and 5 months late

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

Radeon HD 6970M Mac Edition +84%

1.306 TFLOPS

Radeon R5 M445

0.706 TFLOPS

Radeon HD 6970M Mac Edition

VS

Radeon R5 M445

Graphics Card

Aug 2011

Release Date

Jan 2016

Vancouver

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

32.00GB/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

7.360 GPixel/s

32.64 GTexel/s

Texture Rate

22.08 GTexel/s

-

FP16 (half)

-

1306 GFLOPS

FP32 (float)

706.6 GFLOPS

-

FP64 (double)

-

Graphics Processor

Blackcomb

GPU Name

Meso

Blackcomb XT (216-0811000)

GPU Variant

Meso XT (216-0864018)

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.55 billion

212 mm²

Die Size

125 mm²

Board Design

75W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2.170

-

CUDA

-

5.0

Shader Model

6.5

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