AMD Radeon E8950 vs AMD Radeon R9 M390X

VS

AMD Radeon E8950

AMD Radeon R9 M390X

We compared two Mobile platform GPUs: 8GB VRAM Radeon E8950 and 4GB VRAM Radeon R9 M390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8950 's Advantages

Boost Clock1000MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (192.0GB/s vs 160.0GB/s)

AMD Radeon R9 M390X 's Advantages

Lower TDP (75W vs 95W)

Score

Benchmark

FP32 (float)

Radeon E8950 +38%

4.096 TFLOPS

Radeon R9 M390X

2.961 TFLOPS

Radeon E8950

VS

Radeon R9 M390X

Graphics Card

Sep 2015

Release Date

May 2015

Embedded

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

735 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

192.0GB/s

Bandwidth

160.0GB/s

Render Config

32

Compute Units

32

-

2048

Shading Units

2048

128

TMUs

128

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

23.14 GPixel/s

128.0 GTexel/s

Texture Rate

92.54 GTexel/s

4.096 TFLOPS

FP16 (half)

2.961 TFLOPS

4.096 TFLOPS

FP32 (float)

2.961 TFLOPS

256.0 GFLOPS

FP64 (double)

185.1 GFLOPS

Board Design

95W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

Amethyst

E8950

GPU Variant

Amethyst XT

GCN 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

5 billion

366 mm²

Die Size

366 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.0

1.2

Vulkan

1.2

-

6.3

Shader Model

6.3

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