NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce 945A

VS

NVIDIA GeForce RTX 4090 Mobile

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile 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 Mobile 's Advantages

Released 7 years and 10 months late

Boost Clock has increased by 43% (1695MHz vs 1189MHz)

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (576.0GB/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 Mobile +3512%

32.98 TFLOPS

GeForce 945A

0.913 TFLOPS

GeForce RTX 4090 Mobile

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

1335 MHz

Base Clock

1006 MHz

1695 MHz

Boost Clock

1189 MHz

2250 MHz

Memory Clock

1253 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

576.0GB/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

189.8 GPixel/s

Pixel Rate

9.512 GPixel/s

515.3 GTexel/s

Texture Rate

28.54 GTexel/s

32.98 TFLOPS

FP16 (half)

-

32.98 TFLOPS

FP32 (float)

913.2 GFLOPS

515.3 GFLOPS

FP64 (double)

28.54 GFLOPS

Board Design

80-150W

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

5 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

6.8

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon RX 6450M

2

NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce GT 720M

3

NVIDIA GeForce RTX 4090 Mobile vs ATI Mobility Radeon HD 530v

4

NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce GT 740A

5

NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon E9171 MCM

6

NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon HD 8570A

7

NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce GT 645M

8

NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce GTX 950A

9

NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon HD 6970M Rebrand

10

NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon RX 480 Mobile

Related News

1

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

2

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

3

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

4

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

5

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

6

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

7

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

8

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

9

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

10

World's First! Intel Arc B580 Graphics Card Arrives Early