AMD Radeon HD 7970M vs AMD Radeon R9 M270X

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 2GB VRAM Radeon R9 M270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970M 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 88.00GB/s)

512 additional rendering cores

AMD Radeon R9 M270X 's Advantages

Released 2 years and 10 months late

Boost Clock1000MHz

Score

Benchmark

FP32 (float)

Radeon HD 7970M +41%

2.176 TFLOPS

Radeon R9 M270X

1.536 TFLOPS

Radeon HD 7970M

VS

Radeon R9 M270X

Graphics Card

Apr 2012

Release Date

Feb 2015

London

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1000 MHz

1200 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

88.00GB/s

Render Config

-

SM Count

-

20

Compute Units

12

1280

Shading Units

768

80

TMUs

48

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

16.00 GPixel/s

68.00 GTexel/s

Texture Rate

48.00 GTexel/s

-

FP16 (half)

-

2.176 TFLOPS

FP32 (float)

1.536 TFLOPS

136.0 GFLOPS

FP64 (double)

96.00 GFLOPS

Graphics Processor

Wimbledon

GPU Name

Saturn

Wimbledon XT (216-0836036)

GPU Variant

Saturn PRO (216-0843044)

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

2.08 billion

212 mm²

Die Size

160 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2.170

-

CUDA

-

5.1

Shader Model

6.5

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