NVIDIA GeForce GTX 980MX vs NVIDIA GeForce GT 555M

VS

NVIDIA GeForce GTX 980MX

NVIDIA GeForce GT 555M

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980MX and 2GB VRAM GeForce GT 555M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980MX 's Advantages

Released 4 years and 3 months late

Boost Clock1178MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (192.0GB/s vs 28.80GB/s)

1520 additional rendering cores

NVIDIA GeForce GT 555M 's Advantages

Lower TDP (35W vs 148W)

Score

Benchmark

FP32 (float)

GeForce GTX 980MX +907%

3.92 TFLOPS

GeForce GT 555M

0.389 TFLOPS

GeForce GTX 980MX

VS

GeForce GT 555M

Graphics Card

Jun 2016

Release Date

Mar 2012

GeForce 900M

Generation

GeForce 500M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1050 MHz

Base Clock

-

1178 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

192.0GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

2

1664

Shading Units

144

104

TMUs

24

64

ROPs

16

-

48 KB (per SMM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

75.39 GPixel/s

Pixel Rate

2.700 GPixel/s

122.5 GTexel/s

Texture Rate

16.20 GTexel/s

-

3.920 TFLOPS

FP32 (float)

388.8 GFLOPS

122.5 GFLOPS

FP64 (double)

32.40 GFLOPS

Board Design

148W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM204

GPU Name

GF116

N16E-GXX-A1

GPU Variant

N12E-GE2-A1

Maxwell 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5.2 billion

Transistors

1.17 billion

398 mm²

Die Size

238 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.2

CUDA

2.1

6.4

Shader Model

5.1

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