NVIDIA GeForce RTX 3080 vs NVIDIA GeForce RTX 5080 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Sep 2020
Apr 2025
Generation
GeForce 30
GeForce 50 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1440 MHz
975 MHz
Boost Clock
1710 MHz
1500 MHz
Memory Clock
1188 MHz
1750 MHz
Memory
Memory Size
10GB
16GB
Memory Type
GDDR6X
GDDR7
Memory Bus
320bit
256bit
Bandwidth
760.3GB/s
896.0GB/s
Render Config
SM Count
68
60
Shading Units
8704
7680
TMUs
272
240
ROPs
96
96
Tensor Cores
272
240
RT Cores
68
60
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
5 MB
64 MB
Theoretical Performance
Pixel Rate
164.2 GPixel/s
144.0 GPixel/s
Texture Rate
465.1 GTexel/s
360.0 GTexel/s
FP16 (half)
29.77 TFLOPS
23.04 TFLOPS
FP32 (float)
29.77 TFLOPS
23.04 TFLOPS
FP64 (double)
465.1 GFLOPS
360.0 GFLOPS
Graphics Processor
GPU Name
GA102
GB203
GPU Variant
GA102-200-KD-A1
—
Architecture
Ampere
Blackwell 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
5 nm
Transistors
28.3 billion
45.6 billion
Die Size
628 mm²
378 mm²
Board Design
TDP
320W
80W
Suggested PSU
700 W
550 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
Portable Device Dependent
Power Connectors
1x 12-pin
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
1.4
CUDA
8.6
12.0
Shader Model
6.6
6.8
Benchmark
3DMark Time Spy
17,662
—
3DMark Time Spy Extreme
8,879
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.