AMD Radeon R5 M320 vs AMD Radeon HD 6970M Mac Edition

VS

AMD Radeon R5 M320

AMD Radeon HD 6970M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M320 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 R5 M320 's Advantages

Released 3 years and 9 months late

Boost Clock855MHz

More VRAM (4GB vs 2GB)

AMD Radeon HD 6970M Mac Edition 's Advantages

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

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M320

0.547 TFLOPS

Radeon HD 6970M Mac Edition +138%

1.306 TFLOPS

Radeon R5 M320

VS

Radeon HD 6970M Mac Edition

Graphics Card

May 2015

Release Date

Aug 2011

Gem System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

780 MHz

Base Clock

-

855 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

115.2GB/s

Render Config

5

Compute Units

12

-

320

Shading Units

960

20

TMUs

48

8

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

6.840 GPixel/s

Pixel Rate

21.76 GPixel/s

17.10 GTexel/s

Texture Rate

32.64 GTexel/s

-

547.2 GFLOPS

FP32 (float)

1306 GFLOPS

34.20 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Jet

GPU Name

Blackcomb

Jet PRO (216-0856040)

GPU Variant

Blackcomb XT (216-0811000)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

1.7 billion

56 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

5.0

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