NVIDIA GeForce GTX 1630 vs NVIDIA B300
GPU Specs Compare
Graphics Card
Release Date
Jun 2022
Sep 2025
Generation
GeForce 16
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1740 MHz
1665 MHz
Boost Clock
1785 MHz
2032 MHz
Memory Clock
1500 MHz
2000 MHz
Memory
Memory Size
4GB
144GB
Memory Type
GDDR6
HBM3e
Memory Bus
64bit
4096bit
Bandwidth
96.00GB/s
4.10TB/s
Render Config
SM Count
8
148
Shading Units
512
18944
TMUs
32
592
ROPs
16
24
L1 Cache
64 KB (per SM)
256 KB (per SM)
L2 Cache
1024 KB
50 MB
Tensor Cores
-
592
Theoretical Performance
Pixel Rate
28.56 GPixel/s
48.77 GPixel/s
Texture Rate
57.12 GTexel/s
1202.9 GTexel/s
FP16 (half)
3.656 TFLOPS
1231.8 TFLOPS
FP32 (float)
1.828 TFLOPS
76.99 TFLOPS
FP64 (double)
57.12 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
TU117
GB110
GPU Variant
TU117-150-KA-A1
-
Architecture
Turing
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
12 nm
5 nm
Transistors
4.7 billion
104 billion
Die Size
200 mm²
Unknown
Board Design
TDP
75W
1400W
Suggested PSU
250 W
1800 W
Outputs
1x DVI1x HDMI 2.01x DisplayPort 1.4a
No outputs
Power Connectors
None
-
Graphics Features
DirectX
12 (12_1)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
7.5
10.3
Shader Model
6.8
N/A
📊 Benchmark
3DMark Time Spy
2,100
-
3DMark Time Spy Extreme
953
-