NVIDIA GeForce RTX 5080 vs NVIDIA GeForce RTX 4090 Max-Q
GPU · Specs Compare
Graphics Card
Release Date
Jan 2025
Jan 2023
Generation
GeForce 50
GeForce 40 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2295 MHz
930 MHz
Boost Clock
2617 MHz
1455 MHz
Memory Clock
1875 MHz
1750 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR7
GDDR6
Memory Bus
256bit
256bit
Bandwidth
960.0GB/s
448.0GB/s
Render Config
SM Count
84
76
Shading Units
10752
9728
TMUs
336
304
ROPs
112
112
Tensor Cores
336
304
RT Cores
84
76
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
64 MB
64 MB
Theoretical Performance
Pixel Rate
293.1 GPixel/s
163.0 GPixel/s
Texture Rate
879.3 GTexel/s
442.3 GTexel/s
FP16 (half)
56.28 TFLOPS
28.31 TFLOPS
FP32 (float)
56.28 TFLOPS
28.31 TFLOPS
FP64 (double)
879.3 GFLOPS
442.3 GFLOPS
Graphics Processor
GPU Name
GB203
AD103
GPU Variant
GB203-400-A1
GN21-X11
Architecture
Blackwell 2.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
5 nm
4 nm
Transistors
45.6 billion
45.9 billion
Die Size
378 mm²
379 mm²
Board Design
TDP
360W
80W
Suggested PSU
750 W
—
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
Portable Device Dependent
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
12.0
8.9
Shader Model
6.8
6.7
Benchmark
3DMark Time Spy
33,116
—
3DMark Time Spy Extreme
16,627
—
3DMark Speed Way
9,296
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.