AMD Radeon E8950 vs AMD Radeon R9 M290X Mac Edition

VS

AMD Radeon E8950

AMD Radeon R9 M290X Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM Radeon E8950 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 E8950 's Advantages

Released 10 months late

Boost Clock has increased by 3% (1000MHz vs 975MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (192.0GB/s vs 174.7GB/s)

1024 additional rendering cores

AMD Radeon R9 M290X Mac Edition 's Advantages

Lower TDP (80W vs 95W)

Score

Benchmark

FP32 (float)

Radeon E8950 +105%

4.096 TFLOPS

Radeon R9 M290X Mac Edition

1.997 TFLOPS

Radeon E8950

VS

Radeon R9 M290X Mac Edition

Graphics Card

Sep 2015

Release Date

Nov 2014

Embedded

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

735 MHz

Base Clock

850 MHz

1000 MHz

Boost Clock

975 MHz

1500 MHz

Memory Clock

1365 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

192.0GB/s

Bandwidth

174.7GB/s

Render Config

32

Compute Units

16

-

2048

Shading Units

1024

128

TMUs

64

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

31.20 GPixel/s

128.0 GTexel/s

Texture Rate

62.40 GTexel/s

4.096 TFLOPS

FP16 (half)

-

4.096 TFLOPS

FP32 (float)

1.997 TFLOPS

256.0 GFLOPS

FP64 (double)

124.8 GFLOPS

Board Design

95W

TDP

80W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

Pitcairn

E8950

GPU Variant

Pitcairn PRO (215-0828062)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

2.8 billion

366 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

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