NVIDIA GeForce GT 555M vs AMD Radeon RX 640 Mobile

VS

NVIDIA GeForce GT 555M

AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 555M and 2GB VRAM Radeon RX 640 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 555M 's Advantages

Lower TDP (35W vs 50W)

AMD Radeon RX 640 Mobile 's Advantages

Released 7 years and 2 months late

Boost Clock1218MHz

Larger VRAM bandwidth (48.00GB/s vs 28.80GB/s)

496 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 555M

0.389 TFLOPS

Radeon RX 640 Mobile +300%

1.559 TFLOPS

GeForce GT 555M

VS

Radeon RX 640 Mobile

Graphics Card

Mar 2012

Release Date

May 2019

GeForce 500M

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1082 MHz

-

Boost Clock

1218 MHz

900 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

2

SM Count

-

144

Shading Units

640

24

TMUs

40

16

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

2.700 GPixel/s

Pixel Rate

19.49 GPixel/s

16.20 GTexel/s

Texture Rate

48.72 GTexel/s

-

FP16 (half)

1.559 TFLOPS

388.8 GFLOPS

FP32 (float)

1.559 TFLOPS

32.40 GFLOPS

FP64 (double)

97.44 GFLOPS

Board Design

35W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF116

GPU Name

Polaris 23

N12E-GE2-A1

GPU Variant

Polaris 23 XT

Fermi 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.17 billion

Transistors

2.2 billion

238 mm²

Die Size

103 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.4

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