AMD Radeon HD 8950M vs AMD Radeon R5 A255

VS

AMD Radeon HD 8950M

AMD Radeon R5 A255

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8950M and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8950M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (88.00GB/s vs 64.00GB/s)

384 additional rendering cores

AMD Radeon R5 A255 's Advantages

Released 8 months late

Boost Clock940MHz

Score

Benchmark

FP32 (float)

Radeon HD 8950M +128%

1.651 TFLOPS

Radeon R5 A255

0.721 TFLOPS

Radeon HD 8950M

VS

Radeon R5 A255

Graphics Card

May 2013

Release Date

Jan 2014

Solar System

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

940 MHz

1375 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

88.00GB/s

Bandwidth

64.00GB/s

Render Config

12

Compute Units

6

-

768

Shading Units

384

48

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

17.20 GPixel/s

Pixel Rate

7.520 GPixel/s

51.60 GTexel/s

Texture Rate

22.56 GTexel/s

-

1.651 TFLOPS

FP32 (float)

721.9 GFLOPS

103.2 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Saturn

GPU Name

Topaz

Saturn XT

GPU Variant

Topaz PRO (216-0858030)

GCN 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.55 billion

160 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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