NVIDIA GeForce RTX 4090 Max-Q vs NVIDIA GeForce RTX 5080
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Jan 2025
Generation
GeForce 40 Mobile
GeForce 50
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
930 MHz
2295 MHz
Boost Clock
1455 MHz
2617 MHz
Memory Clock
1750 MHz
1875 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
GDDR7
Memory Bus
256bit
256bit
Bandwidth
448.0GB/s
960.0GB/s
Render Config
SM Count
76
84
Shading Units
9728
10752
TMUs
304
336
ROPs
112
112
Tensor Cores
304
336
RT Cores
76
84
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
64 MB
64 MB
Theoretical Performance
Pixel Rate
163.0 GPixel/s
293.1 GPixel/s
Texture Rate
442.3 GTexel/s
879.3 GTexel/s
FP16 (half)
28.31 TFLOPS
56.28 TFLOPS
FP32 (float)
28.31 TFLOPS
56.28 TFLOPS
FP64 (double)
442.3 GFLOPS
879.3 GFLOPS
Graphics Processor
GPU Name
AD103
GB203
GPU Variant
GN21-X11
GB203-400-A1
Architecture
Ada Lovelace
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
4 nm
5 nm
Transistors
45.9 billion
45.6 billion
Die Size
379 mm²
378 mm²
Board Design
TDP
80W
360W
Outputs
Portable Device Dependent
1x HDMI 2.1b3x DisplayPort 2.1b
Power Connectors
None
1x 16-pin
Suggested PSU
-
750 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
1.4
CUDA
8.9
12.0
Shader Model
6.7
6.8
📊 Benchmark
3DMark Time Spy
-
33,116
3DMark Time Spy Extreme
-
16,627
3DMark Speed Way
-
9,296