NVIDIA GeForce RTX 3080 Ti Mobile vs NVIDIA GeForce RTX 4090
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Sep 2022
Generation
GeForce 30 Mobile
GeForce 40
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
810 MHz
2235 MHz
Boost Clock
1260 MHz
2520 MHz
Memory Clock
2000 MHz
1313 MHz
Memory
Memory Size
16GB
24GB
Memory Type
GDDR6
GDDR6X
Memory Bus
256bit
384bit
Bandwidth
512.0GB/s
1.01TB/s
Render Config
SM Count
58
128
Shading Units
7424
16384
TMUs
232
512
ROPs
96
176
Tensor Cores
232
512
RT Cores
58
128
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
4 MB
72 MB
Theoretical Performance
Pixel Rate
121.0 GPixel/s
443.5 GPixel/s
Texture Rate
292.3 GTexel/s
1290.2 GTexel/s
FP16 (half)
18.71 TFLOPS
82.58 TFLOPS
FP32 (float)
18.71 TFLOPS
82.58 TFLOPS
FP64 (double)
292.3 GFLOPS
1290.2 GFLOPS
Graphics Processor
GPU Name
GA103S
AD102
GPU Variant
GN20-E8-A1
AD102-300-A1
Architecture
Ampere
Ada Lovelace
Foundry
Samsung
TSMC
Process Size
8 nm
5 nm
Transistors
Unknown
76.3 billion
Die Size
496 mm²
609 mm²
Board Design
TDP
115W
450W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 16-pin
Suggested PSU
—
850 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.4
CUDA
8.6
8.9
Shader Model
6.5
6.8
Benchmark
3DMark Time Spy
12,905
—
3DMark Time Spy Extreme
6,164
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.