NVIDIA GeForce GTX 670MX vs NVIDIA GeForce GT 620M

VS

NVIDIA GeForce GTX 670MX

NVIDIA GeForce GT 620M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 670MX and 1024MB VRAM GeForce GT 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 670MX 's Advantages

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (67.20GB/s vs 28.80GB/s)

864 additional rendering cores

NVIDIA GeForce GT 620M 's Advantages

Lower TDP (15W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 670MX +356%

1.154 TFLOPS

GeForce GT 620M

0.253 TFLOPS

GeForce GTX 670MX

VS

GeForce GT 620M

Graphics Card

Oct 2012

Release Date

Aug 2012

GeForce 600M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

128bit

67.20GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

2

960

Shading Units

96

80

TMUs

16

24

ROPs

4

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

12.02 GPixel/s

Pixel Rate

2.640 GPixel/s

48.08 GTexel/s

Texture Rate

10.56 GTexel/s

-

1154 GFLOPS

FP32 (float)

253.4 GFLOPS

48.08 GFLOPS

FP64 (double)

21.12 GFLOPS

Board Design

75W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

GF108

N13E-GR-A2

GPU Variant

N13P-GLP-A1

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.585 billion

294 mm²

Die Size

116 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.1

5.1

Shader Model

5.1

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