AMD Radeon R5 M420 vs ATI Mobility Radeon HD 3670

VS

AMD Radeon R5 M420

ATI Mobility Radeon HD 3670

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M420 and 256MB VRAM Mobility Radeon HD 3670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M420 's Advantages

Released 8 years and 4 months late

Boost Clock850MHz

More VRAM (4GB vs 256GB)

200 additional rendering cores

ATI Mobility Radeon HD 3670 's Advantages

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

Score

Benchmark

FP32 (float)

Radeon R5 M420 +233%

0.544 TFLOPS

Mobility Radeon HD 3670

0.163 TFLOPS

Radeon R5 M420

VS

Mobility Radeon HD 3670

Graphics Card

May 2016

Release Date

Jan 2008

Gem System

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

780 MHz

Base Clock

-

850 MHz

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

256MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

25.60GB/s

Render Config

5

Compute Units

3

-

320

Shading Units

120

20

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

128 KB

-

Theoretical Performance

6.800 GPixel/s

Pixel Rate

2.720 GPixel/s

17.00 GTexel/s

Texture Rate

5.440 GTexel/s

-

544.0 GFLOPS

FP32 (float)

163.2 GFLOPS

34.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

30W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Jet

GPU Name

M86

Jet PRO (216-0856040)

GPU Variant

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.69 billion

Transistors

0.378 billion

56 mm²

Die Size

135 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

N/A

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

4.1

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