NVIDIA GeForce 945A vs NVIDIA GeForce GTX 980 Mobile

VS

NVIDIA GeForce 945A

NVIDIA GeForce GTX 980 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 8GB VRAM GeForce GTX 980 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945A 's Advantages

Boost Clock has increased by 4% (1189MHz vs 1140MHz)

NVIDIA GeForce GTX 980 Mobile 's Advantages

Released 6 months late

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.4GB/s vs 40.10GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945A

0.913 TFLOPS

GeForce GTX 980 Mobile +411%

4.669 TFLOPS

GeForce 945A

VS

GeForce GTX 980 Mobile

Graphics Card

Mar 2015

Release Date

Sep 2015

GeForce 900A

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1006 MHz

Base Clock

1064 MHz

1189 MHz

Boost Clock

1140 MHz

1253 MHz

Memory Clock

1753 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

40.10GB/s

Bandwidth

224.4GB/s

Render Config

-

384

Shading Units

2048

24

TMUs

128

8

ROPs

64

-

64 KB (per SMM)

L1 Cache

48 KB (per SMM)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

72.96 GPixel/s

28.54 GTexel/s

Texture Rate

145.9 GTexel/s

-

913.2 GFLOPS

FP32 (float)

4.669 TFLOPS

28.54 GFLOPS

FP64 (double)

145.9 GFLOPS

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

GM204

-

GPU Variant

N16E-GXX-A1

Maxwell

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

5.2 billion

Unknown

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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