AMD Radeon HD 8590M vs AMD Radeon R5 M420

VS

AMD Radeon HD 8590M

AMD Radeon R5 M420

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8590M 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 8590M 's Advantages

Larger VRAM bandwidth (36.00GB/s vs 16.00GB/s)

AMD Radeon R5 M420 's Advantages

Released 3 years and 2 months late

Boost Clock has increased by 3% (850MHz vs 825MHz)

More VRAM (4GB vs 1024GB)

Score

Benchmark

FP32 (float)

Radeon HD 8590M

0.528 TFLOPS

Radeon R5 M420 +3%

0.544 TFLOPS

Radeon HD 8590M

VS

Radeon R5 M420

Graphics Card

Mar 2013

Release Date

May 2016

Solar System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

750 MHz

Base Clock

780 MHz

825 MHz

Boost Clock

850 MHz

1125 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

36.00GB/s

Bandwidth

16.00GB/s

Render Config

5

Compute Units

5

-

320

Shading Units

320

20

TMUs

20

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

6.800 GPixel/s

16.50 GTexel/s

Texture Rate

17.00 GTexel/s

-

528.0 GFLOPS

FP32 (float)

544.0 GFLOPS

33.00 GFLOPS

FP64 (double)

34.00 GFLOPS

Board Design

Unknown

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Sun

GPU Name

Jet

-

GPU Variant

Jet PRO (216-0856040)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

0.69 billion

56 mm²

Die Size

56 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5 (5.1)

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