AMD Radeon R5 M445 vs AMD Radeon HD 7970M

VS

AMD Radeon R5 M445

AMD Radeon HD 7970M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M445 and 2GB VRAM Radeon HD 7970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M445 's Advantages

Released 3 years and 9 months late

More VRAM (4GB vs 2GB)

AMD Radeon HD 7970M 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 32.00GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M445

0.706 TFLOPS

Radeon HD 7970M +208%

2.176 TFLOPS

Radeon R5 M445

VS

Radeon HD 7970M

Graphics Card

Jan 2016

Release Date

Apr 2012

Gem System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

32.00GB/s

Bandwidth

153.6GB/s

Render Config

6

Compute Units

20

-

384

Shading Units

1280

24

TMUs

80

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

7.360 GPixel/s

Pixel Rate

27.20 GPixel/s

22.08 GTexel/s

Texture Rate

68.00 GTexel/s

-

706.6 GFLOPS

FP32 (float)

2.176 TFLOPS

-

FP64 (double)

136.0 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Meso

GPU Name

Wimbledon

Meso XT (216-0864018)

GPU Variant

Wimbledon XT (216-0836036)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

2.8 billion

125 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5

Shader Model

5.1

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