NVIDIA GeForce RTX 4080 Mobile vs NVIDIA GeForce RTX 3080 Ti Mobile
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Jan 2022
Generation
GeForce 40 Mobile
GeForce 30 Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1290 MHz
810 MHz
Boost Clock
1665 MHz
1260 MHz
Memory Clock
2250 MHz
2000 MHz
Memory
Memory Size
12GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
192bit
256bit
Bandwidth
432.0GB/s
512.0GB/s
Render Config
SM Count
58
58
Shading Units
7424
7424
TMUs
232
232
ROPs
80
96
Tensor Cores
232
232
RT Cores
58
58
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
48 MB
4 MB
Theoretical Performance
Pixel Rate
133.2 GPixel/s
121.0 GPixel/s
Texture Rate
386.3 GTexel/s
292.3 GTexel/s
FP16 (half)
24.72 TFLOPS
18.71 TFLOPS
FP32 (float)
24.72 TFLOPS
18.71 TFLOPS
FP64 (double)
386.3 GFLOPS
292.3 GFLOPS
Graphics Processor
GPU Name
AD104
GA103S
GPU Variant
GN21-X9
GN20-E8-A1
Architecture
Ada Lovelace
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
35.8 billion
Unknown
Die Size
294 mm²
496 mm²
Board Design
TDP
110W
115W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
8.9
8.6
Shader Model
6.8
6.5
Benchmark
3DMark Time Spy
—
12,905
3DMark Time Spy Extreme
—
6,164
▲ Specs Compare
Data sourced from official specifications and benchmark tests.