NVIDIA GeForce RTX 4090 vs NVIDIA GeForce RTX 2080 SUPER Mobile
GPU · Specs Compare
Graphics Card
Release Date
Sep 2022
Apr 2020
Generation
GeForce 40
GeForce 20 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2235 MHz
1365 MHz
Boost Clock
2520 MHz
1560 MHz
Memory Clock
1313 MHz
1750 MHz
Memory
Memory Size
24GB
8GB
Memory Type
GDDR6X
GDDR6
Memory Bus
384bit
256bit
Bandwidth
1.01TB/s
448.0GB/s
Render Config
SM Count
128
48
Shading Units
16384
3072
TMUs
512
192
ROPs
176
64
Tensor Cores
512
384
RT Cores
128
48
L1 Cache
128 KB (per SM)
64 KB (per SM)
L2 Cache
72 MB
4 MB
Theoretical Performance
Pixel Rate
443.5 GPixel/s
99.84 GPixel/s
Texture Rate
1290.2 GTexel/s
299.5 GTexel/s
FP16 (half)
82.58 TFLOPS
19.17 TFLOPS
FP32 (float)
82.58 TFLOPS
9.585 TFLOPS
FP64 (double)
1290.2 GFLOPS
299.5 GFLOPS
Graphics Processor
GPU Name
AD102
TU104
GPU Variant
AD102-300-A1
N18E-G3
Architecture
Ada Lovelace
Turing
Foundry
TSMC
TSMC
Process Size
5 nm
12 nm
Transistors
76.3 billion
13.6 billion
Die Size
609 mm²
545 mm²
Board Design
TDP
450W
150W
Suggested PSU
850 W
—
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.3
CUDA
8.9
7.5
Shader Model
6.8
6.6
Benchmark
3DMark Time Spy
—
10,487
3DMark Time Spy Extreme
—
4,881
3DMark Speed Way
—
2,116
▲ Specs Compare
Data sourced from official specifications and benchmark tests.