Home GPU Comparison NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce RTX 3080 Mobile 16 GB

NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce RTX 3080 Mobile 16 GB

NVIDIA GeForce RTX 4090 Mobile
VS
NVIDIA GeForce RTX 3080 Mobile 16 GB
NVIDIA GeForce RTX 4090 Mobile
NVIDIA GeForce RTX 3080 Mobile 16 GB
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 16GB VRAM GeForce RTX 3080 Mobile 16 GB 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)
Larger VRAM bandwidth (576.0GB/s vs 448.0GB/s)
3584 additional rendering cores
Lower TDP (80W vs 115W)

Score

Benchmark

FP32 (float)
GeForce RTX 4090 Mobile +73%
32.98 TFLOPS
GeForce RTX 3080 Mobile 16 GB
18.98 TFLOPS
VS

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

Render Config

-
-
-
76
SM Count
48
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

Board Design

80-150W
TDP
115W
-
-
-
Portable Device Dependent
Outputs
Portable Device Dependent
None
Power Connectors
None

Graphics Processor

AD103
GPU Name
GA104
GN21-X11
GPU Variant
GA104-775-A1
Ada Lovelace
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
45.9 billion
Transistors
17.4 billion
379 mm²
Die Size
392 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
8.6
6.8
Shader Model
6.8

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