Home GPU Comparison NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce RTX 3080 Mobile

NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce RTX 3080 Mobile

NVIDIA GeForce RTX 4090 Mobile
VS
NVIDIA GeForce RTX 3080 Mobile
NVIDIA GeForce RTX 4090 Mobile NVIDIA GeForce RTX 3080 Mobile
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 8GB VRAM GeForce RTX 3080 Mobile 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 2 years late
Boost Clock has increased by 10% (1695MHz vs 1545MHz)
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (576.0GB/s vs 448.0GB/s)
3584 additional rendering cores
NVIDIA GeForce RTX 3080 Mobile 's Advantages
Lower TDP (115W vs 120W)

Score

Benchmark

FP32 (float)
GeForce RTX 4090 Mobile +73%
32.98 TFLOPS
GeForce RTX 3080 Mobile
18.98 TFLOPS
3DMark Time Spy
GeForce RTX 4090 Mobile +82%
21684
GeForce RTX 3080 Mobile
11909
Blender
GeForce RTX 4090 Mobile +105%
7828
GeForce RTX 3080 Mobile
3812
OctaneBench
GeForce RTX 4090 Mobile +76%
722
GeForce RTX 3080 Mobile
408
GTA 5 2160p
GeForce RTX 4090 Mobile +84%
170
GeForce RTX 3080 Mobile
92
GTA 5 1440p
GeForce RTX 4090 Mobile +84%
170
GeForce RTX 3080 Mobile
92
GTA 5 1080p
GeForce RTX 4090 Mobile +9%
180
GeForce RTX 3080 Mobile
164
GeForce RTX 4090 Mobile
VS
GeForce RTX 3080 Mobile

Graphics Card

Jan 2023
Release Date
Jan 2021
GeForce 40 Mobile
Generation
GeForce 30 Mobile
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

1335 MHz
Base Clock
1110 MHz
1695 MHz
Boost Clock
1545 MHz
2250 MHz
Memory Clock
1750 MHz

Memory

16GB
Memory Size
8GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
256bit
576.0GB/s
Bandwidth
448.0GB/s

Render Config

76
SM Count
48
-
Compute Units
-
9728
Shading Units
6144
304
TMUs
192
112
ROPs
96
304
Tensor Cores
192
76
RT Cores
48
128 KB (per SM)
L1 Cache
128 KB (per SM)
64 MB
L2 Cache
4 MB

Theoretical Performance

189.8 GPixel/s
Pixel Rate
148.3 GPixel/s
515.3 GTexel/s
Texture Rate
296.6 GTexel/s
32.98 TFLOPS
FP16 (half)
18.98 TFLOPS
32.98 TFLOPS
FP32 (float)
18.98 TFLOPS
515.3 GFLOPS
FP64 (double)
296.6 GFLOPS

Graphics Processor

AD103
GPU Name
GA104
GN21-X11
GPU Variant
GA104-775-A1
Ada Lovelace
Architecture
Ampere
TSMC
Foundry
Samsung
4 nm
Process Size
8 nm
45.9 billion
Transistors
17.4 billion
379 mm²
Die Size
392 mm²

Board Design

120W
TDP
115W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None

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
8.6
6.7
Shader Model
6.6

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