AMD Radeon R5 M420 vs NVIDIA GeForce GT 555M

VS

AMD Radeon R5 M420

NVIDIA GeForce GT 555M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M420 and 2GB VRAM GeForce GT 555M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M420 's Advantages

Released 4 years and 2 months late

Boost Clock850MHz

More VRAM (4GB vs 2GB)

176 additional rendering cores

NVIDIA GeForce GT 555M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R5 M420 +39%

0.544 TFLOPS

GeForce GT 555M

0.389 TFLOPS

Radeon R5 M420

VS

GeForce GT 555M

Graphics Card

May 2016

Release Date

Mar 2012

Gem System

Generation

GeForce 500M

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

900 MHz

Memory

4GB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

28.80GB/s

Render Config

5

Compute Units

-

SM Count

2

320

Shading Units

144

20

TMUs

24

8

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.800 GPixel/s

Pixel Rate

2.700 GPixel/s

17.00 GTexel/s

Texture Rate

16.20 GTexel/s

-

544.0 GFLOPS

FP32 (float)

388.8 GFLOPS

34.00 GFLOPS

FP64 (double)

32.40 GFLOPS

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Jet

GPU Name

GF116

Jet PRO (216-0856040)

GPU Variant

N12E-GE2-A1

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

1.17 billion

56 mm²

Die Size

238 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

2.1

6.5 (5.1)

Shader Model

5.1

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