AMD Radeon RX 580 Mobile vs NVIDIA GeForce GT 555M

VS

AMD Radeon RX 580 Mobile

NVIDIA GeForce GT 555M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile 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 RX 580 Mobile 's Advantages

Released 5 years and 1 months late

Boost Clock1077MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 28.80GB/s)

2160 additional rendering cores

NVIDIA GeForce GT 555M 's Advantages

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580 Mobile +1175%

4.963 TFLOPS

GeForce GT 555M

0.389 TFLOPS

Radeon RX 580 Mobile

VS

GeForce GT 555M

Graphics Card

Apr 2017

Release Date

Mar 2012

Mobility Radeon

Generation

GeForce 500M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1077 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

28.80GB/s

Render Config

36

Compute Units

-

SM Count

2

2304

Shading Units

144

TMUs

24

32

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

2.700 GPixel/s

155.1 GTexel/s

Texture Rate

16.20 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

388.8 GFLOPS

310.2 GFLOPS

FP64 (double)

32.40 GFLOPS

Board Design

100W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

GF116

Polaris 20M XT

GPU Variant

N12E-GE2-A1

GCN 4.0

Architecture

Fermi 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

1.17 billion

232 mm²

Die Size

238 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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