NVIDIA GeForce RTX 4090 Max-Q vs NVIDIA GeForce RTX 4080 12 GB
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Unknown
Generation
GeForce 40 Mobile
GeForce 40
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
930 MHz
2310 MHz
Boost Clock
1455 MHz
2610 MHz
Memory Clock
1750 MHz
1313 MHz
Memory
Memory Size
16GB
12GB
Memory Type
GDDR6
GDDR6X
Memory Bus
256bit
192bit
Bandwidth
448.0GB/s
504.2GB/s
Render Config
SM Count
76
60
Shading Units
9728
7680
TMUs
304
240
ROPs
112
80
Tensor Cores
304
240
RT Cores
76
60
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
64 MB
48 MB
Theoretical Performance
Pixel Rate
163.0 GPixel/s
208.8 GPixel/s
Texture Rate
442.3 GTexel/s
626.4 GTexel/s
FP16 (half)
28.31 TFLOPS
40.09 TFLOPS
FP32 (float)
28.31 TFLOPS
40.09 TFLOPS
FP64 (double)
442.3 GFLOPS
626.4 GFLOPS
Graphics Processor
GPU Name
AD103
AD104
GPU Variant
GN21-X11
AD104-400-A1
Architecture
Ada Lovelace
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
4 nm
4 nm
Transistors
45.9 billion
35.8 billion
Die Size
379 mm²
295 mm²
Board Design
TDP
80W
285W
Outputs
Portable Device Dependent
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 16-pin
Suggested PSU
-
600 W
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
8.9
8.9
Shader Model
6.7
6.6
📊 Benchmark
Blender
-
9,224