NVIDIA GeForce RTX 5070 SUPER vs NVIDIA B300 SXM6 AC
GPU Specs Compare
Graphics Card
Release Date
Jan 2026
Sep 2025
Generation
GeForce 50
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
2325 MHz
1665 MHz
Boost Clock
2512 MHz
2032 MHz
Memory Clock
1750 MHz
2000 MHz
Memory
Memory Size
18GB
288GB
Memory Type
GDDR7
HBM3e
Memory Bus
192bit
8192bit
Bandwidth
672.0GB/s
8.19TB/s
Render Config
SM Count
50
148
Shading Units
6400
18944
TMUs
200
592
ROPs
80
24
Tensor Cores
200
592
RT Cores
50
-
L1 Cache
128 KB (per SM)
256 KB (per SM)
L2 Cache
48 MB
126 MB
Theoretical Performance
Pixel Rate
201.0 GPixel/s
48.77 GPixel/s
Texture Rate
502.4 GTexel/s
1202.9 GTexel/s
FP16 (half)
32.15 TFLOPS
76.99 TFLOPS
FP32 (float)
32.15 TFLOPS
76.99 TFLOPS
FP64 (double)
502.4 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
GB205
GB110
GPU Variant
GB205-400-A1
-
Architecture
Blackwell 2.0
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
31.1 billion
208 billion
Die Size
263 mm²
1628 mm²
Board Design
TDP
275W
1100W
Suggested PSU
600 W
1500 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
No outputs
Power Connectors
1x 16-pin
-
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
12.0
10.3
Shader Model
6.8
N/A