AMD Radeon HD 8950M vs AMD Radeon R5 M420

VS

AMD Radeon HD 8950M

AMD Radeon R5 M420

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8950M and 4GB VRAM Radeon R5 M420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8950M 's Advantages

Larger VRAM bandwidth (88.00GB/s vs 16.00GB/s)

448 additional rendering cores

AMD Radeon R5 M420 's Advantages

Released 3 years late

Boost Clock850MHz

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

Radeon HD 8950M +203%

1.651 TFLOPS

Radeon R5 M420

0.544 TFLOPS

Radeon HD 8950M

VS

Radeon R5 M420

Graphics Card

May 2013

Release Date

May 2016

Solar System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

850 MHz

1375 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

88.00GB/s

Bandwidth

16.00GB/s

Render Config

12

Compute Units

5

-

768

Shading Units

320

48

TMUs

20

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

17.20 GPixel/s

Pixel Rate

6.800 GPixel/s

51.60 GTexel/s

Texture Rate

17.00 GTexel/s

-

1.651 TFLOPS

FP32 (float)

544.0 GFLOPS

103.2 GFLOPS

FP64 (double)

34.00 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Saturn

GPU Name

Jet

Saturn XT

GPU Variant

Jet PRO (216-0856040)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

0.69 billion

160 mm²

Die Size

56 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.3

Shader Model

6.5 (5.1)

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