NVIDIA B300 vs AMD Radeon RX 6700M
GPU · Specs Compare
Graphics Card
Release Date
Sep 2025
May 2021
Generation
Server Blackwell
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1665 MHz
1489 MHz
Boost Clock
2032 MHz
2400 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
144GB
10GB
Memory Type
HBM3e
GDDR6
Memory Bus
4096bit
160bit
Bandwidth
4.10TB/s
320.0GB/s
Render Config
SM Count
148
—
Shading Units
18944
2304
TMUs
592
144
ROPs
24
64
Tensor Cores
592
—
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
50 MB
3 MB
Compute Units
—
36
RT Cores
—
36
L3 Cache
—
80 MB
Theoretical Performance
Pixel Rate
48.77 GPixel/s
153.6 GPixel/s
Texture Rate
1202.9 GTexel/s
345.6 GTexel/s
FP16 (half)
1231.8 TFLOPS
22.12 TFLOPS
FP32 (float)
76.99 TFLOPS
11.06 TFLOPS
FP64 (double)
1202.9 GFLOPS
691.2 GFLOPS
Graphics Processor
GPU Name
GB110
Navi 22
Architecture
Blackwell Ultra
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
104 billion
17.2 billion
Die Size
Unknown
335 mm²
GPU Variant
—
Navi 22
Board Design
TDP
1400W
135W
Suggested PSU
1800 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
2.1
Vulkan
N/A
1.3
CUDA
10.3
—
Shader Model
N/A
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.