AMD Radeon R5 M420 vs AMD Radeon R7 M340

VS

AMD Radeon R5 M420

AMD Radeon R7 M340

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M420 and 1024MB VRAM Radeon R7 M340 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M420 's Advantages

Boost Clock has increased by 19% (850MHz vs 715MHz)

More VRAM (4GB vs 1024GB)

AMD Radeon R7 M340 's Advantages

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M420

0.544 TFLOPS

Radeon R7 M340

0.549 TFLOPS

Radeon R5 M420

VS

Radeon R7 M340

Graphics Card

May 2016

Release Date

Dec 2015

Gem System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

780 MHz

Base Clock

620 MHz

850 MHz

Boost Clock

715 MHz

1000 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

16.00GB/s

Render Config

5

Compute Units

6

-

320

Shading Units

384

20

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.800 GPixel/s

Pixel Rate

5.720 GPixel/s

17.00 GTexel/s

Texture Rate

17.16 GTexel/s

-

544.0 GFLOPS

FP32 (float)

549.1 GFLOPS

34.00 GFLOPS

FP64 (double)

34.32 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Jet

GPU Name

Opal

Jet PRO (216-0856040)

GPU Variant

Opal PRO

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

0.95 billion

56 mm²

Die Size

77 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1 (1.2)

1.2.170

Vulkan

1.2.170

-

6.5 (5.1)

Shader Model

6.5 (5.1)

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