NVIDIA GeForce RTX 4080 Mobile vs NVIDIA GeForce RTX 4090 Max-Q

VS

NVIDIA GeForce RTX 4080 Mobile

NVIDIA GeForce RTX 4090 Max-Q

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 Mobile and 16GB VRAM GeForce RTX 4090 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Mobile 's Advantages

Boost Clock has increased by 14% (1665MHz vs 1455MHz)

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

More VRAM (16GB vs 12GB)

Larger VRAM bandwidth (448.0GB/s vs 432.0GB/s)

2304 additional rendering cores

Lower TDP (80W vs 110W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Mobile

24.72 TFLOPS

GeForce RTX 4090 Max Q +14%

28.31 TFLOPS

GeForce RTX 4080 Mobile

VS

GeForce RTX 4090 Max Q

Graphics Card

Jan 2023

Release Date

Jan 2023

GeForce 40 Mobile

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1290 MHz

Base Clock

930 MHz

1665 MHz

Boost Clock

1455 MHz

2250 MHz

Memory Clock

1750 MHz

Memory

12GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

192bit

Memory Bus

256bit

432.0GB/s

Bandwidth

448.0GB/s

Render Config

-

58

SM Count

76

7424

Shading Units

9728

232

TMUs

304

80

ROPs

112

232

Tensor Cores

304

58

RT Cores

76

128 KB (per SM)

L1 Cache

128 KB (per SM)

48 MB

L2 Cache

64 MB

-

Theoretical Performance

133.2 GPixel/s

Pixel Rate

163.0 GPixel/s

386.3 GTexel/s

Texture Rate

442.3 GTexel/s

24.72 TFLOPS

FP16 (half)

28.31 TFLOPS

24.72 TFLOPS

FP32 (float)

28.31 TFLOPS

386.3 GFLOPS

FP64 (double)

442.3 GFLOPS

Board Design

110W

TDP

80W

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

AD104

GPU Name

AD103

GN21-X9

GPU Variant

GN21-X11

Ada Lovelace

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

4 nm

Process Size

4 nm

35.8 billion

Transistors

45.9 billion

295 mm²

Die Size

379 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.9

CUDA

8.9

6.7

Shader Model

6.7

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