NVIDIA GeForce GTX 860M vs NVIDIA GeForce GT 620M

VS

NVIDIA GeForce GTX 860M

NVIDIA GeForce GT 620M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 860M 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 860M 's Advantages

Released 1 years and 5 months late

Boost Clock1085MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (80.19GB/s vs 28.80GB/s)

544 additional rendering cores

NVIDIA GeForce GT 620M 's Advantages

Lower TDP (15W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 860M +449%

1.389 TFLOPS

GeForce GT 620M

0.253 TFLOPS

GeForce GTX 860M

VS

GeForce GT 620M

Graphics Card

Jan 2014

Release Date

Aug 2012

GeForce 800M

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1020 MHz

Base Clock

-

1085 MHz

Boost Clock

-

1253 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

80.19GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

2

640

Shading Units

96

40

TMUs

16

ROPs

4

-

64 KB (per SMM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

17.36 GPixel/s

Pixel Rate

2.640 GPixel/s

43.40 GTexel/s

Texture Rate

10.56 GTexel/s

-

1389 GFLOPS

FP32 (float)

253.4 GFLOPS

43.40 GFLOPS

FP64 (double)

21.12 GFLOPS

Board Design

75W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM107

GPU Name

GF108

N15P-GX-A1

GPU Variant

N13P-GLP-A1

Maxwell

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.87 billion

Transistors

0.585 billion

148 mm²

Die Size

116 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

2.1

5.1

Shader Model

5.1

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