NVIDIA GeForce GTX 850A vs NVIDIA GeForce 940A

VS

NVIDIA GeForce GTX 850A NVIDIA GeForce 940A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 1024MB VRAM GeForce 940A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (28.80GB/s vs 16.02GB/s)

256 additional rendering cores

NVIDIA GeForce 940A 's Advantages

Released 1 years late

Boost Clock has increased by 20% (1124MHz vs 936MHz)

Lower TDP (33W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850A +38%

1.198 TFLOPS

GeForce 940A

0.863 TFLOPS

GeForce GTX 850A

VS

GeForce 940A

Graphics Card

Mar 2014

Release Date

Mar 2015

GeForce 800A

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

902 MHz

Base Clock

1029 MHz

936 MHz

Boost Clock

1124 MHz

900 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

16.02GB/s

Render Config

-

SM Count

-

Compute Units

-

640

Shading Units

384

40

TMUs

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

1024 KB

Theoretical Performance

14.98 GPixel/s

Pixel Rate

8.992 GPixel/s

37.44 GTexel/s

Texture Rate

17.98 GTexel/s

-

FP16 (half)

-

1198 GFLOPS

FP32 (float)

863.2 GFLOPS

37.44 GFLOPS

FP64 (double)

26.98 GFLOPS

Graphics Processor

GM107

GPU Name

GM108

N15P-GT-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

Board Design

45W

TDP

33W

-

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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