AMD Radeon HD 8950M vs AMD Radeon R9 M290X Mac Edition

VS

AMD Radeon HD 8950M AMD Radeon R9 M290X Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8950M 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 R9 M290X Mac Edition 's Advantages

Released 1 years and 6 months late

Boost Clock975MHz

Larger VRAM bandwidth (174.7GB/s vs 88.00GB/s)

256 additional rendering cores

Lower TDP (80W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 8950M

1.651 TFLOPS

Radeon R9 M290X Mac Edition +20%

1.997 TFLOPS

Radeon HD 8950M

VS

Radeon R9 M290X Mac Edition

Graphics Card

May 2013

Release Date

Nov 2014

Solar System

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

975 MHz

1375 MHz

Memory Clock

1365 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

88.00GB/s

Bandwidth

174.7GB/s

Render Config

-

SM Count

-

12

Compute Units

16

768

Shading Units

1024

48

TMUs

64

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

17.20 GPixel/s

Pixel Rate

31.20 GPixel/s

51.60 GTexel/s

Texture Rate

62.40 GTexel/s

-

FP16 (half)

-

1.651 TFLOPS

FP32 (float)

1.997 TFLOPS

103.2 GFLOPS

FP64 (double)

124.8 GFLOPS

Graphics Processor

Saturn

GPU Name

Pitcairn

Saturn XT

GPU Variant

Pitcairn PRO (215-0828062)

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

Board Design

100W

TDP

80W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

5.1

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