NVIDIA GeForce GT 555M vs AMD Radeon Pro 555X

VS

NVIDIA GeForce GT 555M

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 555M and 4GB VRAM Radeon Pro 555X 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 75W)

AMD Radeon Pro 555X 's Advantages

Released 6 years and 4 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (94.08GB/s vs 28.80GB/s)

624 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 555M

0.389 TFLOPS

Radeon Pro 555X +258%

1.393 TFLOPS

GeForce GT 555M

VS

Radeon Pro 555X

Graphics Card

Mar 2012

Release Date

Jul 2018

GeForce 500M

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

900 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

94.08GB/s

Render Config

-

Compute Units

12

2

SM Count

-

144

Shading Units

768

24

TMUs

48

16

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

2.700 GPixel/s

Pixel Rate

14.51 GPixel/s

16.20 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

388.8 GFLOPS

FP32 (float)

1393 GFLOPS

32.40 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

35W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF116

GPU Name

Polaris 21

N12E-GE2-A1

GPU Variant

Polaris 21 PRO

Fermi 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.17 billion

Transistors

3 billion

238 mm²

Die Size

123 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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