NVIDIA GeForce GT 555M vs AMD Radeon R9 M385X

VS

NVIDIA GeForce GT 555M

AMD Radeon R9 M385X

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 555M and 4GB VRAM Radeon R9 M385X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Released 3 years and 2 months late

Boost Clock1100MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (76.80GB/s vs 28.80GB/s)

752 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 555M

0.389 TFLOPS

Radeon R9 M385X +406%

1.971 TFLOPS

GeForce GT 555M

VS

Radeon R9 M385X

Graphics Card

Mar 2012

Release Date

May 2015

GeForce 500M

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1100 MHz

900 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

76.80GB/s

Render Config

-

Compute Units

14

2

SM Count

-

144

Shading Units

896

24

TMUs

56

16

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

2.700 GPixel/s

Pixel Rate

17.60 GPixel/s

16.20 GTexel/s

Texture Rate

61.60 GTexel/s

-

388.8 GFLOPS

FP32 (float)

1.971 TFLOPS

32.40 GFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GF116

GPU Name

Strato

N12E-GE2-A1

GPU Variant

Strato XT

Fermi 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

2.08 billion

238 mm²

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2.170

2.1

CUDA

-

5.1

Shader Model

6.5

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