AMD Radeon HD 6650M vs AMD Radeon R5 M420

VS

AMD Radeon HD 6650M

AMD Radeon R5 M420

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650M 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 6650M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 16.00GB/s)

160 additional rendering cores

AMD Radeon R5 M420 's Advantages

Released 5 years and 4 months late

Boost Clock850MHz

More VRAM (4GB vs 1024GB)

Score

Benchmark

FP32 (float)

Radeon HD 6650M +5%

0.576 TFLOPS

Radeon R5 M420

0.544 TFLOPS

Radeon HD 6650M

VS

Radeon R5 M420

Graphics Card

Jan 2011

Release Date

May 2016

Vancouver

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

850 MHz

800 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

16.00GB/s

Render Config

6

Compute Units

5

-

480

Shading Units

320

24

TMUs

20

8

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

6.800 GPixel/s

14.40 GTexel/s

Texture Rate

17.00 GTexel/s

-

576.0 GFLOPS

FP32 (float)

544.0 GFLOPS

-

FP64 (double)

34.00 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Whistler

GPU Name

Jet

Whistler LE (216-0810028)

GPU Variant

Jet PRO (216-0856040)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

0.69 billion

118 mm²

Die Size

56 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5 (5.1)

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