NVIDIA GeForce GTX 980M vs NVIDIA GeForce GTX 850A

VS

NVIDIA GeForce GTX 980M

NVIDIA GeForce GTX 850A

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 980M and 2GB VRAM GeForce GTX 850A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980M 's Advantages

Released 7 months late

Boost Clock has increased by 20% (1127MHz vs 936MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.4GB/s vs 28.80GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 980M +188%

3.462 TFLOPS

GeForce GTX 850A

1.198 TFLOPS

GeForce GTX 980M

VS

GeForce GTX 850A

Graphics Card

Oct 2014

Release Date

Mar 2014

GeForce 900M

Generation

GeForce 800A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1038 MHz

Base Clock

902 MHz

1127 MHz

Boost Clock

936 MHz

1253 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

160.4GB/s

Bandwidth

28.80GB/s

Render Config

-

1536

Shading Units

640

96

TMUs

40

64

ROPs

16

-

48 KB (per SMM)

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

2 MB

-

Theoretical Performance

72.13 GPixel/s

Pixel Rate

14.98 GPixel/s

108.2 GTexel/s

Texture Rate

37.44 GTexel/s

-

3.462 TFLOPS

FP32 (float)

1198 GFLOPS

108.2 GFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

Unknown

TDP

45W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM204

GPU Name

GM107

N16E-GX-A1

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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