NVIDIA B300 SXM6 AC vs NVIDIA GeForce RTX 2070 SUPER Mobile
GPU Specs Compare
Graphics Card
Release Date
Sep 2025
Apr 2020
Generation
Server Blackwell
GeForce 20 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 6.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1665 MHz
1140 MHz
Boost Clock
2032 MHz
1380 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
288GB
8GB
Memory Type
HBM3e
GDDR6
Memory Bus
8192bit
256bit
Bandwidth
8.19TB/s
448.0GB/s
Render Config
SM Count
148
40
Shading Units
18944
2560
TMUs
592
160
ROPs
24
64
Tensor Cores
592
320
L1 Cache
256 KB (per SM)
64 KB (per SM)
L2 Cache
126 MB
4 MB
RT Cores
-
40
Theoretical Performance
Pixel Rate
48.77 GPixel/s
88.32 GPixel/s
Texture Rate
1202.9 GTexel/s
220.8 GTexel/s
FP16 (half)
76.99 TFLOPS
14.13 TFLOPS
FP32 (float)
76.99 TFLOPS
7.066 TFLOPS
FP64 (double)
1202.9 GFLOPS
220.8 GFLOPS
Graphics Processor
GPU Name
GB110
TU104
Architecture
Blackwell Ultra
Turing
Foundry
TSMC
TSMC
Process Size
5 nm
12 nm
Transistors
208 billion
13.6 billion
Die Size
1628 mm²
545 mm²
GPU Variant
-
N18E-G2R
Board Design
TDP
1100W
115W
Suggested PSU
1500 W
-
Outputs
No outputs
No outputs
Power Connectors
-
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
CUDA
10.3
7.5
Shader Model
N/A
6.6
📊 Benchmark
3DMark Time Spy
-
8,409
3DMark Time Spy Extreme
-
3,967
3DMark Speed Way
-
1,840