NVIDIA GeForce 945A vs NVIDIA GeForce RTX 2080 Mobile

VS

NVIDIA GeForce 945A

NVIDIA GeForce RTX 2080 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 8GB VRAM GeForce RTX 2080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945A 's Advantages

Lower TDP (33W vs 150W)

NVIDIA GeForce RTX 2080 Mobile 's Advantages

Released 3 years and 10 months late

Boost Clock has increased by 34% (1590MHz vs 1189MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 40.10GB/s)

2560 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945A

0.913 TFLOPS

GeForce RTX 2080 Mobile +925%

9.362 TFLOPS

GeForce 945A

VS

GeForce RTX 2080 Mobile

Graphics Card

Mar 2015

Release Date

Jan 2019

GeForce 900A

Generation

GeForce 20 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1006 MHz

Base Clock

1380 MHz

1189 MHz

Boost Clock

1590 MHz

1253 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

40.10GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

46

384

Shading Units

2944

24

TMUs

184

8

ROPs

64

-

Tensor Cores

368

-

RT Cores

46

64 KB (per SMM)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

4 MB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

101.8 GPixel/s

28.54 GTexel/s

Texture Rate

292.6 GTexel/s

-

FP16 (half)

18.72 TFLOPS

913.2 GFLOPS

FP32 (float)

9.362 TFLOPS

28.54 GFLOPS

FP64 (double)

292.6 GFLOPS

Board Design

33W

TDP

150W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

TU104

-

GPU Variant

N18E-G3-A1

Maxwell

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

Unknown

Transistors

13.6 billion

Unknown

Die Size

545 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

7.5

5.1

Shader Model

6.6

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