AMD Radeon R9 M280X vs AMD Radeon HD 8970M

VS

AMD Radeon R9 M280X

AMD Radeon HD 8970M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M280X and 4GB VRAM Radeon HD 8970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M280X 's Advantages

Released 1 years and 9 months late

Boost Clock has increased by 11% (1000MHz vs 900MHz)

AMD Radeon HD 8970M 's Advantages

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

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M280X

1.792 TFLOPS

Radeon HD 8970M +28%

2.304 TFLOPS

Radeon R9 M280X

VS

Radeon HD 8970M

Graphics Card

Feb 2015

Release Date

May 2013

Gem System

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

850 MHz

1000 MHz

Boost Clock

900 MHz

1375 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

88.00GB/s

Bandwidth

153.6GB/s

Render Config

14

Compute Units

20

-

896

Shading Units

1280

56

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

28.80 GPixel/s

56.00 GTexel/s

Texture Rate

72.00 GTexel/s

-

1.792 TFLOPS

FP32 (float)

2.304 TFLOPS

112.0 GFLOPS

FP64 (double)

144.0 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Saturn

GPU Name

Neptune

Saturn XT (216-0843024)

GPU Variant

Neptune XT (216-0847000)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

2.8 billion

160 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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