NVIDIA GeForce RTX 5080 Mobile vs NVIDIA GeForce RTX 3080 Ti
GPU · Specs Compare
Graphics Card
Release Date
Apr 2025
May 2021
Generation
GeForce 50 Mobile
GeForce 30
Type
Mobile
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
975 MHz
1365 MHz
Boost Clock
1500 MHz
1665 MHz
Memory Clock
1750 MHz
1188 MHz
Memory
Memory Size
16GB
12GB
Memory Type
GDDR7
GDDR6X
Memory Bus
256bit
384bit
Bandwidth
896.0GB/s
912.4GB/s
Render Config
SM Count
60
80
Shading Units
7680
10240
TMUs
240
320
ROPs
96
112
Tensor Cores
240
320
RT Cores
60
80
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
64 MB
6 MB
Theoretical Performance
Pixel Rate
144.0 GPixel/s
186.5 GPixel/s
Texture Rate
360.0 GTexel/s
532.8 GTexel/s
FP16 (half)
23.04 TFLOPS
34.10 TFLOPS
FP32 (float)
23.04 TFLOPS
34.10 TFLOPS
FP64 (double)
360.0 GFLOPS
532.8 GFLOPS
Graphics Processor
GPU Name
GB203
GA102
Architecture
Blackwell 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
45.6 billion
28.3 billion
Die Size
378 mm²
628 mm²
GPU Variant
—
GA102-225-A1
Board Design
TDP
80W
350W
Suggested PSU
550 W
750 W
Outputs
Portable Device Dependent
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 12-pin
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
6.6
Benchmark
3DMark Time Spy
—
19,629
3DMark Time Spy Extreme
—
10,032
3DMark Speed Way
—
5,330
▲ Specs Compare
Data sourced from official specifications and benchmark tests.