NVIDIA GeForce RTX 4090 Max-Q vs NVIDIA GeForce 945A

VS

NVIDIA GeForce RTX 4090 Max-Q

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Max Q and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

Released 7 years and 10 months late

Boost Clock has increased by 22% (1455MHz vs 1189MHz)

More VRAM (16GB vs 1024GB)

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

9344 additional rendering cores

NVIDIA GeForce 945A 's Advantages

Lower TDP (33W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Max Q +3000%

28.31 TFLOPS

GeForce 945A

0.913 TFLOPS

GeForce RTX 4090 Max Q

VS

GeForce 945A

Graphics Card

Jan 2023

Release Date

Mar 2015

GeForce 40 Mobile

Generation

GeForce 900A

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

930 MHz

Base Clock

1006 MHz

1455 MHz

Boost Clock

1189 MHz

1750 MHz

Memory Clock

1253 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

40.10GB/s

Render Config

-

76

SM Count

-

9728

Shading Units

384

304

TMUs

24

112

ROPs

8

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SMM)

64 MB

L2 Cache

1024 KB

-

Theoretical Performance

163.0 GPixel/s

Pixel Rate

9.512 GPixel/s

442.3 GTexel/s

Texture Rate

28.54 GTexel/s

28.31 TFLOPS

FP16 (half)

-

28.31 TFLOPS

FP32 (float)

913.2 GFLOPS

442.3 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

80W

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

AD103

GPU Name

GM108

GN21-X11

GPU Variant

-

Ada Lovelace

Architecture

Maxwell

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

45.9 billion

Transistors

Unknown

379 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.9

CUDA

5.0

6.7

Shader Model

5.1

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