AMD Radeon R5 M255 vs AMD Radeon E8950

VS

AMD Radeon R5 M255

AMD Radeon E8950

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 8GB VRAM Radeon E8950 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 R5 M255

0.721 TFLOPS

Radeon E8950 +468%

4.096 TFLOPS

Radeon R5 M255

VS

Radeon E8950

Graphics Card

Oct 2014

Release Date

Sep 2015

Gem System

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

925 MHz

Base Clock

735 MHz

940 MHz

Boost Clock

1000 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

32.00GB/s

Bandwidth

192.0GB/s

Render Config

6

Compute Units

32

-

384

Shading Units

2048

24

TMUs

128

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

32.00 GPixel/s

22.56 GTexel/s

Texture Rate

128.0 GTexel/s

721.9 GFLOPS

FP16 (half)

4.096 TFLOPS

721.9 GFLOPS

FP32 (float)

4.096 TFLOPS

45.12 GFLOPS

FP64 (double)

256.0 GFLOPS

Board Design

Unknown

TDP

95W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Topaz

GPU Name

Amethyst

Topaz PRO (216-0858030)

GPU Variant

E8950

GCN 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

5 billion

125 mm²

Die Size

366 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2.170

Vulkan

1.2

-

6.5

Shader Model

6.3

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