NVIDIA GeForce RTX 3080 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
1440 MHz
1665 MHz
Boost Clock
1710 MHz
2418 MHz
Memory Clock
1188 MHz
1067 MHz
Memory
Memory Size
10GB
128GB
Memory Type
GDDR6X
LPDDR5X
Memory Bus
320bit
256bit
Bandwidth
760.3GB/s
273.2GB/s
Render Config
SM Count
68
48
Shading Units
8704
6144
TMUs
272
384
ROPs
96
48
Tensor Cores
272
384
RT Cores
68
48
L1 Cache
128 KB (per SM)
256 KB (per SM)
L2 Cache
5 MB
50 MB
Theoretical Performance
Pixel Rate
164.2 GPixel/s
116.1 GPixel/s
Texture Rate
465.1 GTexel/s
928.5 GTexel/s
FP16 (half)
29.77 TFLOPS
29.71 TFLOPS
FP32 (float)
29.77 TFLOPS
29.71 TFLOPS
FP64 (double)
465.1 GFLOPS
464.3 GFLOPS
Graphics Processor
GPU Name
GA102
GB20B
GPU Variant
GA102-200-KD-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
320W
140W
Suggested PSU
700 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
📊 Benchmark
3DMark Time Spy
17,662
-
3DMark Time Spy Extreme
8,879
-