AMD Radeon R5 M255 vs AMD Radeon HD 8950M

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 2GB VRAM Radeon HD 8950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

Released 1 years and 5 months late

Boost Clock940MHz

AMD Radeon HD 8950M 's Advantages

Larger VRAM bandwidth (88.00GB/s vs 32.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M255

0.721 TFLOPS

Radeon HD 8950M +128%

1.651 TFLOPS

Radeon R5 M255

VS

Radeon HD 8950M

Graphics Card

Oct 2014

Release Date

May 2013

Gem System

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

-

940 MHz

Boost Clock

-

1000 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

32.00GB/s

Bandwidth

88.00GB/s

Render Config

-

SM Count

-

6

Compute Units

12

384

Shading Units

768

24

TMUs

48

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

7.520 GPixel/s

Pixel Rate

17.20 GPixel/s

22.56 GTexel/s

Texture Rate

51.60 GTexel/s

721.9 GFLOPS

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

1.651 TFLOPS

45.12 GFLOPS

FP64 (double)

103.2 GFLOPS

Graphics Processor

Topaz

GPU Name

Saturn

Topaz PRO (216-0858030)

GPU Variant

Saturn XT

GCN 3.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

2.08 billion

125 mm²

Die Size

160 mm²

Board Design

Unknown

TDP

100W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

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

-

CUDA

-

6.5

Shader Model

6.3

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