AMD Radeon R9 M290X vs AMD Radeon HD 7970M

VS

AMD Radeon R9 M290X

AMD Radeon HD 7970M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M290X 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 R9 M290X 's Advantages

Released 1 years and 9 months late

Boost Clock900MHz

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

Radeon R9 M290X +5%

2.304 TFLOPS

Radeon HD 7970M

2.176 TFLOPS

Radeon R9 M290X

VS

Radeon HD 7970M

Graphics Card

Jan 2014

Release Date

Apr 2012

Crystal System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

850 MHz

Base Clock

-

900 MHz

Boost Clock

-

1200 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

153.6GB/s

Render Config

20

Compute Units

20

-

1280

Shading Units

1280

80

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

27.20 GPixel/s

72.00 GTexel/s

Texture Rate

68.00 GTexel/s

-

2.304 TFLOPS

FP32 (float)

2.176 TFLOPS

144.0 GFLOPS

FP64 (double)

136.0 GFLOPS

Board Design

100W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Neptune

GPU Name

Wimbledon

Neptune XT (216-0847000)

GPU Variant

Wimbledon XT (216-0836036)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

2.8 billion

212 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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