AMD Radeon HD 7950M vs AMD Radeon R9 M290X Mac Edition

VS

AMD Radeon HD 7950M

AMD Radeon R9 M290X Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M and 2GB VRAM Radeon R9 M290X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950M 's Advantages

256 additional rendering cores

Lower TDP (75W vs 80W)

AMD Radeon R9 M290X Mac Edition 's Advantages

Released 2 years and 7 months late

Boost Clock975MHz

Larger VRAM bandwidth (174.7GB/s vs 128.0GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7950M

1.792 TFLOPS

Radeon R9 M290X Mac Edition +11%

1.997 TFLOPS

Radeon HD 7950M

VS

Radeon R9 M290X Mac Edition

Graphics Card

Apr 2012

Release Date

Nov 2014

London

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

975 MHz

1000 MHz

Memory Clock

1365 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

174.7GB/s

Render Config

20

Compute Units

16

-

1280

Shading Units

1024

80

TMUs

64

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

22.40 GPixel/s

Pixel Rate

31.20 GPixel/s

56.00 GTexel/s

Texture Rate

62.40 GTexel/s

-

1.792 TFLOPS

FP32 (float)

1.997 TFLOPS

-

FP64 (double)

124.8 GFLOPS

Board Design

75W

TDP

80W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Wimbledon

GPU Name

Pitcairn

Wimbledon PRO

GPU Variant

Pitcairn PRO (215-0828062)

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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