NVIDIA GeForce RTX 2080 Mobile vs NVIDIA GeForce RTX 4080
GPU · Specs Compare
Graphics Card
Release Date
Jan 2019
Sep 2022
Generation
GeForce 20 Mobile
GeForce 40
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1380 MHz
2205 MHz
Boost Clock
1590 MHz
2505 MHz
Memory Clock
1750 MHz
1400 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR6
GDDR6X
Memory Bus
256bit
256bit
Bandwidth
448.0GB/s
716.8GB/s
Render Config
SM Count
46
76
Shading Units
2944
9728
TMUs
184
304
ROPs
64
112
Tensor Cores
368
304
RT Cores
46
76
L1 Cache
64 KB (per SM)
128 KB (per SM)
L2 Cache
4 MB
64 MB
Theoretical Performance
Pixel Rate
101.8 GPixel/s
280.6 GPixel/s
Texture Rate
292.6 GTexel/s
761.5 GTexel/s
FP16 (half)
18.72 TFLOPS
48.74 TFLOPS
FP32 (float)
9.362 TFLOPS
48.74 TFLOPS
FP64 (double)
292.6 GFLOPS
761.5 GFLOPS
Graphics Processor
GPU Name
TU104
AD103
GPU Variant
N18E-G3-A1
AD103-300-A1
Architecture
Turing
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
12 nm
5 nm
Transistors
13.6 billion
45.9 billion
Die Size
545 mm²
379 mm²
Board Design
TDP
150W
320W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Suggested PSU
—
700 W
Power Connectors
—
1x 16-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
7.5
8.9
Shader Model
6.6
6.7
Benchmark
3DMark Time Spy
—
28,173
3DMark Time Spy Extreme
—
14,002
▲ Specs Compare
Data sourced from official specifications and benchmark tests.