NVIDIA GeForce GT 555M vs AMD Radeon Pro Vega 20

VS

NVIDIA GeForce GT 555M

AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 555M and 4GB VRAM Radeon Pro Vega 20 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 100W)

AMD Radeon Pro Vega 20 's Advantages

Released 6 years and 8 months late

Boost Clock1283MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (189.4GB/s vs 28.80GB/s)

1136 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 555M

0.389 TFLOPS

Radeon Pro Vega 20 +744%

3.284 TFLOPS

GeForce GT 555M

VS

Radeon Pro Vega 20

Graphics Card

Mar 2012

Release Date

Nov 2018

GeForce 500M

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

815 MHz

-

Boost Clock

1283 MHz

900 MHz

Memory Clock

740 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

HBM2

128bit

Memory Bus

1024bit

28.80GB/s

Bandwidth

189.4GB/s

Render Config

-

Compute Units

20

2

SM Count

-

144

Shading Units

1280

24

TMUs

80

16

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

2.700 GPixel/s

Pixel Rate

41.06 GPixel/s

16.20 GTexel/s

Texture Rate

102.6 GTexel/s

-

FP16 (half)

6.569 TFLOPS

388.8 GFLOPS

FP32 (float)

3.284 TFLOPS

32.40 GFLOPS

FP64 (double)

205.3 GFLOPS

Board Design

35W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF116

GPU Name

Vega 12

N12E-GE2-A1

GPU Variant

Vega 12 XTA

Fermi 2.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.17 billion

Transistors

Unknown

238 mm²

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.3

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