NVIDIA GeForce GT 555M vs NVIDIA GeForce GTX 680M

VS

NVIDIA GeForce GT 555M

NVIDIA GeForce GTX 680M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 555M and 4GB VRAM GeForce GTX 680M 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)

NVIDIA GeForce GTX 680M 's Advantages

Boost Clock758MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)

1200 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 555M

0.389 TFLOPS

GeForce GTX 680M +423%

2.038 TFLOPS

GeForce GT 555M

VS

GeForce GTX 680M

Graphics Card

Mar 2012

Release Date

Jun 2012

GeForce 500M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

719 MHz

-

Boost Clock

758 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

115.2GB/s

Render Config

-

2

SM Count

-

144

Shading Units

1344

24

TMUs

112

16

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

2.700 GPixel/s

Pixel Rate

21.22 GPixel/s

16.20 GTexel/s

Texture Rate

84.90 GTexel/s

-

388.8 GFLOPS

FP32 (float)

2.038 TFLOPS

32.40 GFLOPS

FP64 (double)

84.90 GFLOPS

Board Design

35W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF116

GPU Name

GK104

N12E-GE2-A1

GPU Variant

N13E-GTX-A2

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

3.54 billion

238 mm²

Die Size

294 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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