NVIDIA GB10 vs NVIDIA GeForce RTX 3080 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Oct 2025
Jan 2021
Generation
Server Blackwell
GeForce 30 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1665 MHz
1110 MHz
Boost Clock
2418 MHz
1545 MHz
Memory Clock
1067 MHz
1750 MHz
Memory
Memory Size
128GB
8GB
Memory Type
LPDDR5X
GDDR6
Memory Bus
256bit
256bit
Bandwidth
273.2GB/s
448.0GB/s
Render Config
SM Count
48
48
Shading Units
6144
6144
TMUs
384
192
ROPs
48
96
Tensor Cores
384
192
RT Cores
48
48
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
4 MB
Theoretical Performance
Pixel Rate
116.1 GPixel/s
148.3 GPixel/s
Texture Rate
928.5 GTexel/s
296.6 GTexel/s
FP16 (half)
29.71 TFLOPS
18.98 TFLOPS
FP32 (float)
29.71 TFLOPS
18.98 TFLOPS
FP64 (double)
464.3 GFLOPS
296.6 GFLOPS
Graphics Processor
GPU Name
GB20B
GA104
Architecture
Blackwell 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
3 nm
8 nm
Transistors
Unknown
17.4 billion
Die Size
Unknown
392 mm²
GPU Variant
—
GA104-775-A1
Board Design
TDP
140W
115W
Suggested PSU
300 W
—
Outputs
1x HDMI
No outputs
Power Connectors
None
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
CUDA
12.1
8.6
Shader Model
N/A
6.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.