NVIDIA GeForce RTX 3090 vs NVIDIA GB10
GPU Specs Compare
Graphics Card
Release Date
Sep 2020
Oct 2025
Generation
GeForce 30
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1395 MHz
1665 MHz
Boost Clock
1695 MHz
2418 MHz
Memory Clock
1219 MHz
1067 MHz
Memory
Memory Size
24GB
128GB
Memory Type
GDDR6X
LPDDR5X
Memory Bus
384bit
256bit
Bandwidth
936.2GB/s
273.2GB/s
Render Config
SM Count
82
48
Shading Units
10496
6144
TMUs
328
384
ROPs
112
48
Tensor Cores
328
384
RT Cores
82
48
L1 Cache
128 KB (per SM)
256 KB (per SM)
L2 Cache
6 MB
50 MB
Theoretical Performance
Pixel Rate
189.8 GPixel/s
116.1 GPixel/s
Texture Rate
556.0 GTexel/s
928.5 GTexel/s
FP16 (half)
35.58 TFLOPS
29.71 TFLOPS
FP32 (float)
35.58 TFLOPS
29.71 TFLOPS
FP64 (double)
556.0 GFLOPS
464.3 GFLOPS
Graphics Processor
GPU Name
GA102
GB20B
GPU Variant
GA102-300-A1
-
Architecture
Ampere
Blackwell 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
3 nm
Transistors
28.3 billion
Unknown
Die Size
628 mm²
Unknown
Board Design
TDP
350W
140W
Suggested PSU
750 W
300 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI
Power Connectors
1x 12-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
8.6
12.1
Shader Model
6.6
N/A