AMD Radeon R5 M420 vs AMD Radeon R9 M275

VS

AMD Radeon R5 M420

AMD Radeon R9 M275

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M420 and 2GB VRAM Radeon R9 M275 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M420 's Advantages

Released 2 years and 4 months late

More VRAM (4GB vs 2GB)

AMD Radeon R9 M275 's Advantages

Boost Clock has increased by 9% (925MHz vs 850MHz)

Larger VRAM bandwidth (64.00GB/s vs 16.00GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M420

0.544 TFLOPS

Radeon R9 M275 +117%

1.184 TFLOPS

Radeon R5 M420

VS

Radeon R9 M275

Graphics Card

May 2016

Release Date

Jan 2014

Gem System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

780 MHz

Base Clock

900 MHz

850 MHz

Boost Clock

925 MHz

1000 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

64.00GB/s

Render Config

5

Compute Units

10

-

320

Shading Units

640

20

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.800 GPixel/s

Pixel Rate

14.80 GPixel/s

17.00 GTexel/s

Texture Rate

37.00 GTexel/s

-

544.0 GFLOPS

FP32 (float)

1184 GFLOPS

34.00 GFLOPS

FP64 (double)

74.00 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Jet

GPU Name

Venus

Jet PRO (216-0856040)

GPU Variant

Venus XTX (216-0846033)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

1.5 billion

56 mm²

Die Size

123 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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