NVIDIA GeForce GTX 860M vs NVIDIA GeForce 845M

VS

NVIDIA GeForce GTX 860M

NVIDIA GeForce 845M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 860M and 2GB VRAM GeForce 845M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 860M 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (80.19GB/s vs 40.10GB/s)

256 additional rendering cores

NVIDIA GeForce 845M 's Advantages

Released 1 years and 7 months late

Boost Clock has increased by 8% (1176MHz vs 1085MHz)

Lower TDP (33W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 860M +53%

1.389 TFLOPS

GeForce 845M

0.903 TFLOPS

GeForce GTX 860M

VS

GeForce 845M

Graphics Card

Jan 2014

Release Date

Aug 2015

GeForce 800M

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1020 MHz

Base Clock

1071 MHz

1085 MHz

Boost Clock

1176 MHz

1253 MHz

Memory Clock

1253 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

80.19GB/s

Bandwidth

40.10GB/s

Render Config

-

640

Shading Units

384

40

TMUs

32

16

ROPs

16

-

64 KB (per SMM)

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

17.36 GPixel/s

Pixel Rate

18.82 GPixel/s

43.40 GTexel/s

Texture Rate

37.63 GTexel/s

-

1389 GFLOPS

FP32 (float)

903.2 GFLOPS

43.40 GFLOPS

FP64 (double)

28.22 GFLOPS

Board Design

75W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM107

GPU Name

GM108

N15P-GX-A1

GPU Variant

-

Maxwell

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

Unknown

148 mm²

Die Size

Unknown

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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