NVIDIA GeForce GT 745A vs NVIDIA GeForce GTX 980M

VS

NVIDIA GeForce GT 745A

NVIDIA GeForce GTX 980M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 8GB VRAM GeForce GTX 980M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980M 's Advantages

Released 1 years and 2 months late

Boost Clock has increased by 23% (1127MHz vs 915MHz)

More VRAM (8GB vs 2GB)

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

1152 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 745A

0.703 TFLOPS

GeForce GTX 980M +392%

3.462 TFLOPS

GeForce GT 745A

VS

GeForce GTX 980M

Graphics Card

Aug 2013

Release Date

Oct 2014

GeForce 700A

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

837 MHz

Base Clock

1038 MHz

915 MHz

Boost Clock

1127 MHz

900 MHz

Memory Clock

1253 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

160.4GB/s

Render Config

-

384

Shading Units

1536

32

TMUs

96

16

ROPs

64

-

16 KB (per SMX)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

7.320 GPixel/s

Pixel Rate

72.13 GPixel/s

29.28 GTexel/s

Texture Rate

108.2 GTexel/s

-

702.7 GFLOPS

FP32 (float)

3.462 TFLOPS

29.28 GFLOPS

FP64 (double)

108.2 GFLOPS

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

GM204

N14P-LP

GPU Variant

N16E-GX-A1

Kepler

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

5.2 billion

118 mm²

Die Size

398 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

5.2

5.1

Shader Model

6.7 (6.4)

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