NVIDIA GeForce RTX 4090 vs NVIDIA GB10
GPU · Specs Compare
Graphics Card
Release Date
Sep 2022
Oct 2025
Generation
GeForce 40
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
2235 MHz
1665 MHz
Boost Clock
2520 MHz
2418 MHz
Memory Clock
1313 MHz
1067 MHz
Memory
Memory Size
24GB
128GB
Memory Type
GDDR6X
LPDDR5X
Memory Bus
384bit
256bit
Bandwidth
1.01TB/s
273.2GB/s
Render Config
SM Count
128
48
Shading Units
16384
6144
TMUs
512
384
ROPs
176
48
Tensor Cores
512
384
RT Cores
128
48
L1 Cache
128 KB (per SM)
256 KB (per SM)
L2 Cache
72 MB
50 MB
Theoretical Performance
Pixel Rate
443.5 GPixel/s
116.1 GPixel/s
Texture Rate
1290.2 GTexel/s
928.5 GTexel/s
FP16 (half)
82.58 TFLOPS
29.71 TFLOPS
FP32 (float)
82.58 TFLOPS
29.71 TFLOPS
FP64 (double)
1290.2 GFLOPS
464.3 GFLOPS
Graphics Processor
GPU Name
AD102
GB20B
GPU Variant
AD102-300-A1
—
Architecture
Ada Lovelace
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
3 nm
Transistors
76.3 billion
Unknown
Die Size
609 mm²
Unknown
Board Design
TDP
450W
140W
Suggested PSU
850 W
300 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.4
N/A
CUDA
8.9
12.1
Shader Model
6.8
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.