AMD Radeon E8950 vs AMD Radeon R5 M255

VS

AMD Radeon E8950

AMD Radeon R5 M255

We compared two Mobile platform GPUs: 8GB VRAM Radeon E8950 and 2GB VRAM Radeon R5 M255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8950 's Advantages

Released 11 months late

Boost Clock has increased by 6% (1000MHz vs 940MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (192.0GB/s vs 32.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E8950 +468%

4.096 TFLOPS

Radeon R5 M255

0.721 TFLOPS

Radeon E8950

VS

Radeon R5 M255

Graphics Card

Sep 2015

Release Date

Oct 2014

Embedded

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

735 MHz

Base Clock

925 MHz

1000 MHz

Boost Clock

940 MHz

1500 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

192.0GB/s

Bandwidth

32.00GB/s

Render Config

32

Compute Units

6

-

2048

Shading Units

384

128

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

7.520 GPixel/s

128.0 GTexel/s

Texture Rate

22.56 GTexel/s

4.096 TFLOPS

FP16 (half)

721.9 GFLOPS

4.096 TFLOPS

FP32 (float)

721.9 GFLOPS

256.0 GFLOPS

FP64 (double)

45.12 GFLOPS

Board Design

95W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

Topaz

E8950

GPU Variant

Topaz PRO (216-0858030)

GCN 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

1.55 billion

366 mm²

Die Size

125 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2.170

-

6.3

Shader Model

6.5

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