NVIDIA GeForce 845M vs NVIDIA GeForce GTX 850M

VS

NVIDIA GeForce 845M NVIDIA GeForce GTX 850M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 845M and 2GB VRAM GeForce GTX 850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 845M 's Advantages

Released 1 years and 5 months late

Boost Clock1176MHz

Larger VRAM bandwidth (40.10GB/s vs 32.03GB/s)

Lower TDP (33W vs 45W)

NVIDIA GeForce GTX 850M 's Advantages

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 845M

0.903 TFLOPS

GeForce GTX 850M +27%

1.155 TFLOPS

GeForce 845M

VS

GeForce GTX 850M

Graphics Card

Aug 2015

Release Date

Mar 2014

GeForce 800M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1071 MHz

Base Clock

-

1176 MHz

Boost Clock

-

1253 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

40.10GB/s

Bandwidth

32.03GB/s

Render Config

-

SM Count

-

Compute Units

-

384

Shading Units

640

32

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

64 KB (per SMM)

1024 KB

L2 Cache

2 MB

Theoretical Performance

18.82 GPixel/s

Pixel Rate

14.43 GPixel/s

37.63 GTexel/s

Texture Rate

36.08 GTexel/s

-

FP16 (half)

-

903.2 GFLOPS

FP32 (float)

1155 GFLOPS

28.22 GFLOPS

FP64 (double)

36.08 GFLOPS

Graphics Processor

GM108

GPU Name

GM107

-

GPU Variant

N15P-GT-A1

Maxwell

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

1.87 billion

Unknown

Die Size

148 mm²

Board Design

33W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

5.0

5.1

Shader Model

5.1

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