NVIDIA B300 SXM6 AC vs AMD Radeon RX 6750 XT
GPU Specs Compare
Graphics Card
Release Date
Sep 2025
Mar 2022
Generation
Server Blackwell
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1665 MHz
2150 MHz
Boost Clock
2032 MHz
2600 MHz
Memory Clock
2000 MHz
2250 MHz
Memory
Memory Size
288GB
12GB
Memory Type
HBM3e
GDDR6
Memory Bus
8192bit
192bit
Bandwidth
8.19TB/s
432.0GB/s
Render Config
SM Count
148
-
Shading Units
18944
2560
TMUs
592
160
ROPs
24
64
Tensor Cores
592
-
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
126 MB
3 MB
Compute Units
-
40
RT Cores
-
40
L3 Cache
-
96 MB
Theoretical Performance
Pixel Rate
48.77 GPixel/s
166.4 GPixel/s
Texture Rate
1202.9 GTexel/s
416.0 GTexel/s
FP16 (half)
76.99 TFLOPS
26.62 TFLOPS
FP32 (float)
76.99 TFLOPS
13.31 TFLOPS
FP64 (double)
1202.9 GFLOPS
832.0 GFLOPS
Graphics Processor
GPU Name
GB110
Navi 22
Architecture
Blackwell Ultra
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
208 billion
17.2 billion
Die Size
1628 mm²
335 mm²
GPU Variant
-
Navi 22 KXT(215-127000144)
Board Design
TDP
1100W
250W
Suggested PSU
1500 W
600 W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
-
1x 6-pin + 1x 8-pin
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