NVIDIA GeForce GTX 860M OEM vs NVIDIA GeForce GTX 660M

VS

NVIDIA GeForce GTX 860M OEM NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 860M OEM and 1024MB VRAM GeForce GTX 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 860M OEM 's Advantages

Released 2 years and 11 months late

Boost Clock has increased by 14% (1085MHz vs 950MHz)

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (80.19GB/s vs 64.00GB/s)

256 additional rendering cores

NVIDIA GeForce GTX 660M 's Advantages

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 860M OEM +90%

1.389 TFLOPS

GeForce GTX 660M

0.73 TFLOPS

GeForce GTX 860M OEM

VS

GeForce GTX 660M

Graphics Card

Feb 2015

Release Date

Mar 2012

GeForce 800M

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

1020 MHz

Base Clock

835 MHz

1085 MHz

Boost Clock

950 MHz

1253 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.19GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

Compute Units

-

640

Shading Units

384

40

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

Theoretical Performance

17.36 GPixel/s

Pixel Rate

7.600 GPixel/s

43.40 GTexel/s

Texture Rate

30.40 GTexel/s

-

FP16 (half)

-

1389 GFLOPS

FP32 (float)

729.6 GFLOPS

43.40 GFLOPS

FP64 (double)

30.40 GFLOPS

Graphics Processor

GM107

GPU Name

GK107

N15P-GX-A1

GPU Variant

N13E-GE-A2

Maxwell

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

1.27 billion

148 mm²

Die Size

118 mm²

Board Design

75W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.0

5.1

Shader Model

5.1

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