NVIDIA GeForce RTX 5080 Mobile vs NVIDIA GeForce RTX 3080 Ti Max Q
GPU Specs Compare
Graphics Card
Release Date
Apr 2025
Jan 2022
Generation
GeForce 50 Mobile
GeForce 30 Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
975 MHz
585 MHz
Boost Clock
1500 MHz
1125 MHz
Memory Clock
1750 MHz
1500 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR7
GDDR6
Memory Bus
256bit
256bit
Bandwidth
896.0GB/s
384.0GB/s
Render Config
SM Count
60
58
Shading Units
7680
7424
TMUs
240
232
ROPs
96
96
Tensor Cores
240
232
RT Cores
60
58
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
64 MB
4 MB
Theoretical Performance
Pixel Rate
144.0 GPixel/s
108.0 GPixel/s
Texture Rate
360.0 GTexel/s
261.0 GTexel/s
FP16 (half)
23.04 TFLOPS
16.70 TFLOPS
FP32 (float)
23.04 TFLOPS
16.70 TFLOPS
FP64 (double)
360.0 GFLOPS
261.0 GFLOPS
Graphics Processor
GPU Name
GB203
GA103S
Architecture
Blackwell 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
45.6 billion
Unknown
Die Size
378 mm²
496 mm²
GPU Variant
-
GN20-E8-A1
Board Design
TDP
80W
80W
Suggested PSU
550 W
-
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
1.4
1.3
CUDA
12.0
8.6
Shader Model
6.8
6.5