NVIDIA GeForce GTX 970M vs NVIDIA GeForce GTX 850M

VS

NVIDIA GeForce GTX 970M

NVIDIA GeForce GTX 850M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 970M 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 GTX 970M 's Advantages

Released 7 months late

Boost Clock1038MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (120.3GB/s vs 32.03GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 970M +130%

2.657 TFLOPS

GeForce GTX 850M

1.155 TFLOPS

OctaneBench

GeForce GTX 970M +140%

53

GeForce GTX 850M

22

GeForce GTX 970M

VS

GeForce GTX 850M

Graphics Card

Oct 2014

Release Date

Mar 2014

GeForce 900M

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

924 MHz

Base Clock

-

1038 MHz

Boost Clock

-

1253 MHz

Memory Clock

1001 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

128bit

120.3GB/s

Bandwidth

32.03GB/s

Render Config

-

1280

Shading Units

640

80

TMUs

40

48

ROPs

16

-

48 KB (per SMM)

L1 Cache

64 KB (per SMM)

1536 KB

L2 Cache

2 MB

-

Theoretical Performance

49.82 GPixel/s

Pixel Rate

14.43 GPixel/s

83.04 GTexel/s

Texture Rate

36.08 GTexel/s

-

2.657 TFLOPS

FP32 (float)

1155 GFLOPS

83.04 GFLOPS

FP64 (double)

36.08 GFLOPS

Board Design

Unknown

TDP

45W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM204

GPU Name

GM107

N16E-GT-A2

GPU Variant

N15P-GT-A1

Maxwell 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

1.87 billion

398 mm²

Die Size

148 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.2

CUDA

5.0

6.7 (6.4)

Shader Model

5.1

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