NVIDIA GeForce GTX 850A vs NVIDIA GeForce GTX 970M

VS

NVIDIA GeForce GTX 850A

NVIDIA GeForce GTX 970M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 3GB VRAM GeForce GTX 970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 970M 's Advantages

Released 7 months late

Boost Clock has increased by 11% (1038MHz vs 936MHz)

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (120.3GB/s vs 28.80GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 850A

1.198 TFLOPS

GeForce GTX 970M +121%

2.657 TFLOPS

GeForce GTX 850A

VS

GeForce GTX 970M

Graphics Card

Mar 2014

Release Date

Oct 2014

GeForce 800A

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

902 MHz

Base Clock

924 MHz

936 MHz

Boost Clock

1038 MHz

900 MHz

Memory Clock

1253 MHz

Memory

2GB

Memory Size

3GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

192bit

28.80GB/s

Bandwidth

120.3GB/s

Render Config

-

640

Shading Units

1280

40

TMUs

80

16

ROPs

48

-

64 KB (per SMM)

L1 Cache

48 KB (per SMM)

2 MB

L2 Cache

1536 KB

-

Theoretical Performance

14.98 GPixel/s

Pixel Rate

49.82 GPixel/s

37.44 GTexel/s

Texture Rate

83.04 GTexel/s

-

1198 GFLOPS

FP32 (float)

2.657 TFLOPS

37.44 GFLOPS

FP64 (double)

83.04 GFLOPS

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GM107

GPU Name

GM204

N15P-GT-A1

GPU Variant

N16E-GT-A2

Maxwell

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

5.2 billion

148 mm²

Die Size

398 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

5.2

5.1

Shader Model

6.7 (6.4)

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