NVIDIA B200 SXM 192 GB vs AMD Radeon RX 6900 XT
GPU Specs Compare
Graphics Card
Release Date
Jan 2024
Oct 2020
Generation
Server Blackwell
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1665 MHz
1825 MHz
Boost Clock
1837 MHz
2250 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
96GB
16GB
Memory Type
HBM3e
GDDR6
Memory Bus
4096bit
256bit
Bandwidth
4.10TB/s
512.0GB/s
Render Config
SM Count
132
-
Shading Units
16896
5120
TMUs
528
320
ROPs
24
128
Tensor Cores
528
-
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
50 MB
4 MB
Compute Units
-
80
RT Cores
-
80
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
44.09 GPixel/s
288.0 GPixel/s
Texture Rate
969.9 GTexel/s
720.0 GTexel/s
FP16 (half)
248.3 TFLOPS
46.08 TFLOPS
FP32 (float)
62.08 TFLOPS
23.04 TFLOPS
FP64 (double)
31.04 TFLOPS
1440.0 GFLOPS
Graphics Processor
GPU Name
GB100
Navi 21
Architecture
Blackwell
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
104 billion
26.8 billion
Die Size
Unknown
520 mm²
GPU Variant
-
Navi 21 XTX(215-121000167)
Board Design
TDP
1000W
300W
Suggested PSU
1400 W
700 W
Outputs
No outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
-
2x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.4
CUDA
10.0
-
Shader Model
N/A
6.8
📊 Benchmark
3DMark Time Spy
-
20,764