NVIDIA GeForce 945A vs NVIDIA RTX A4000 Max-Q

VS

NVIDIA GeForce 945A

NVIDIA RTX A4000 Max-Q

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 8GB VRAM RTX A4000 Max Q 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 80W)

NVIDIA RTX A4000 Max-Q 's Advantages

Released 6 years and 1 months late

Boost Clock has increased by 17% (1395MHz vs 1189MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (352.0GB/s vs 40.10GB/s)

4736 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945A

0.913 TFLOPS

RTX A4000 Max Q +1464%

14.28 TFLOPS

GeForce 945A

VS

RTX A4000 Max Q

Graphics Card

Mar 2015

Release Date

Apr 2021

GeForce 900A

Generation

Quadro Ampere-M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1006 MHz

Base Clock

780 MHz

1189 MHz

Boost Clock

1395 MHz

1253 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

40.10GB/s

Bandwidth

352.0GB/s

Render Config

-

SM Count

40

384

Shading Units

5120

24

TMUs

160

8

ROPs

80

-

Tensor Cores

160

-

RT Cores

40

64 KB (per SMM)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

4 MB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

111.6 GPixel/s

28.54 GTexel/s

Texture Rate

223.2 GTexel/s

-

FP16 (half)

14.28 TFLOPS

913.2 GFLOPS

FP32 (float)

14.28 TFLOPS

28.54 GFLOPS

FP64 (double)

223.2 GFLOPS

Board Design

33W

TDP

80W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

GA104

-

Maxwell

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

Unknown

Transistors

17.4 billion

Unknown

Die Size

392 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

8.6

5.1

Shader Model

6.7

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