NVIDIA GeForce GTX 850M vs NVIDIA GeForce GTX 860M OEM

VS

NVIDIA GeForce GTX 850M NVIDIA GeForce GTX 860M OEM

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850M and 2GB VRAM GeForce GTX 860M OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850M 's Advantages

Lower TDP (45W vs 75W)

NVIDIA GeForce GTX 860M OEM 's Advantages

Released 11 months late

Boost Clock1085MHz

Larger VRAM bandwidth (80.19GB/s vs 32.03GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 850M

1.155 TFLOPS

GeForce GTX 860M OEM +20%

1.389 TFLOPS

OctaneBench

GeForce GTX 850M

22

GeForce GTX 860M OEM +50%

33

GeForce GTX 850M

VS

GeForce GTX 860M OEM

Graphics Card

Mar 2014

Release Date

Feb 2015

GeForce 800M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1085 MHz

1001 MHz

Memory Clock

1253 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

32.03GB/s

Bandwidth

80.19GB/s

Render Config

-

SM Count

-

Compute Units

-

640

Shading Units

640

40

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

2 MB

Theoretical Performance

14.43 GPixel/s

Pixel Rate

17.36 GPixel/s

36.08 GTexel/s

Texture Rate

43.40 GTexel/s

-

FP16 (half)

-

1155 GFLOPS

FP32 (float)

1389 GFLOPS

36.08 GFLOPS

FP64 (double)

43.40 GFLOPS

Graphics Processor

GM107

GPU Name

GM107

N15P-GT-A1

GPU Variant

N15P-GX-A1

Maxwell

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

1.87 billion

148 mm²

Die Size

148 mm²

Board Design

45W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

5.0

5.1

Shader Model

5.1

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