NVIDIA GeForce RTX 3090 vs NVIDIA GeForce RTX 4080 Max-Q
GPU Specs Compare
Graphics Card
Release Date
Sep 2020
Jan 2023
Generation
GeForce 30
GeForce 40 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1395 MHz
795 MHz
Boost Clock
1695 MHz
1350 MHz
Memory Clock
1219 MHz
1750 MHz
Memory
Memory Size
24GB
12GB
Memory Type
GDDR6X
GDDR6
Memory Bus
384bit
192bit
Bandwidth
936.2GB/s
336.0GB/s
Render Config
SM Count
82
58
Shading Units
10496
7424
TMUs
328
232
ROPs
112
80
Tensor Cores
328
232
RT Cores
82
58
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
6 MB
48 MB
Theoretical Performance
Pixel Rate
189.8 GPixel/s
108.0 GPixel/s
Texture Rate
556.0 GTexel/s
313.2 GTexel/s
FP16 (half)
35.58 TFLOPS
20.04 TFLOPS
FP32 (float)
35.58 TFLOPS
20.04 TFLOPS
FP64 (double)
556.0 GFLOPS
313.2 GFLOPS
Graphics Processor
GPU Name
GA102
AD104
GPU Variant
GA102-300-A1
GN21-X9
Architecture
Ampere
Ada Lovelace
Foundry
Samsung
TSMC
Process Size
8 nm
4 nm
Transistors
28.3 billion
35.8 billion
Die Size
628 mm²
295 mm²
Board Design
TDP
350W
60W
Suggested PSU
750 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
1.3
CUDA
8.6
8.9
Shader Model
6.6
6.7