NVIDIA GeForce RTX 3080 Max Q vs NVIDIA GeForce RTX 4080 Max-Q

VS

NVIDIA GeForce RTX 3080 Max Q

NVIDIA GeForce RTX 4080 Max-Q

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Max Q and 12GB VRAM GeForce RTX 4080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Max Q 's Advantages

Larger VRAM bandwidth (384.0GB/s vs 336.0GB/s)

NVIDIA GeForce RTX 4080 Max-Q 's Advantages

Released 2 years late

Boost Clock has increased by 8% (1350MHz vs 1245MHz)

More VRAM (12GB vs 8GB)

1280 additional rendering cores

Lower TDP (60W vs 80W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Max Q

15.3 TFLOPS

GeForce RTX 4080 Max Q +30%

20.04 TFLOPS

GeForce RTX 3080 Max Q

VS

GeForce RTX 4080 Max Q

Graphics Card

Jan 2021

Release Date

Jan 2023

GeForce 30 Mobile

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

780 MHz

Base Clock

795 MHz

1245 MHz

Boost Clock

1350 MHz

1500 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

192bit

384.0GB/s

Bandwidth

336.0GB/s

Render Config

-

48

SM Count

58

6144

Shading Units

7424

192

TMUs

232

96

ROPs

80

192

Tensor Cores

232

48

RT Cores

58

128 KB (per SM)

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

48 MB

-

Theoretical Performance

119.5 GPixel/s

Pixel Rate

108.0 GPixel/s

239.0 GTexel/s

Texture Rate

313.2 GTexel/s

15.30 TFLOPS

FP16 (half)

20.04 TFLOPS

15.30 TFLOPS

FP32 (float)

20.04 TFLOPS

239.0 GFLOPS

FP64 (double)

313.2 GFLOPS

Board Design

80W

TDP

60W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

AD104

GA104-775-A1

GPU Variant

GN21-X9

Ampere

Architecture

Ada Lovelace

Samsung

Foundry

TSMC

8 nm

Process Size

4 nm

17.4 billion

Transistors

35.8 billion

392 mm²

Die Size

295 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

8.6

CUDA

8.9

6.6

Shader Model

6.7

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