Home GPU Comparison NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce RTX 4080 Mobile

NVIDIA GeForce RTX 4090 Mobile vs NVIDIA GeForce RTX 4080 Mobile

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 12GB VRAM GeForce RTX 4080 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
Boost Clock has increased by 2% (1695MHz vs 1665MHz)
More VRAM (16GB vs 12GB)
Larger VRAM bandwidth (576.0GB/s vs 432.0GB/s)
2304 additional rendering cores
Lower TDP (80W vs 110W)

Score

Benchmark

FP32 (float)
GeForce RTX 4090 Mobile +33%
32.98 TFLOPS
GeForce RTX 4080 Mobile
24.72 TFLOPS
3DMark Time Spy
GeForce RTX 4090 Mobile +14%
21586
GeForce RTX 4080 Mobile
18927
Blender
GeForce RTX 4090 Mobile +31%
7692
GeForce RTX 4080 Mobile
5849
OctaneBench
GeForce RTX 4090 Mobile +24%
714
GeForce RTX 4080 Mobile
572
Cyberpunk 2077 1440p
GeForce RTX 4090 Mobile +31%
58
GeForce RTX 4080 Mobile
44
GTA 5 2160p
GeForce RTX 4090 Mobile +21%
170
GeForce RTX 4080 Mobile
140
GTA 5 1440p
GeForce RTX 4090 Mobile +21%
170
GeForce RTX 4080 Mobile
140
GTA 5 1080p
GeForce RTX 4090 Mobile
180
GeForce RTX 4080 Mobile
180
VS

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

1335 MHz
Base Clock
1290 MHz
1695 MHz
Boost Clock
1665 MHz
2250 MHz
Memory Clock
2250 MHz

Memory

16GB
Memory Size
12GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
192bit
576.0GB/s
Bandwidth
432.0GB/s

Render Config

-
-
-
76
SM Count
58
9728
Shading Units
7424
304
TMUs
232
112
ROPs
80
304
Tensor Cores
232
76
RT Cores
58
128 KB (per SM)
L1 Cache
128 KB (per SM)
64 MB
L2 Cache
48 MB
-
-
-

Theoretical Performance

189.8 GPixel/s
Pixel Rate
133.2 GPixel/s
515.3 GTexel/s
Texture Rate
386.3 GTexel/s
32.98 TFLOPS
FP16 (half)
24.72 TFLOPS
32.98 TFLOPS
FP32 (float)
24.72 TFLOPS
515.3 GFLOPS
FP64 (double)
386.3 GFLOPS

Board Design

80-150W
TDP
110W
-
-
-
Portable Device Dependent
Outputs
Portable Device Dependent
None
Power Connectors
None

Graphics Processor

AD103
GPU Name
AD104
GN21-X11
GPU Variant
GN21-X9
Ada Lovelace
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
5 nm
Process Size
4 nm
45.9 billion
Transistors
35.8 billion
379 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
8.9
CUDA
8.9
6.8
Shader Model
6.7

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