AMD Radeon RX 6800 XT vs NVIDIA B200 SXM 192 GB
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Jan 2024
Generation
Navi II
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1825 MHz
1665 MHz
Boost Clock
2250 MHz
1837 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
16GB
96GB
Memory Type
GDDR6
HBM3e
Memory Bus
256bit
4096bit
Bandwidth
512.0GB/s
4.10TB/s
Render Config
Compute Units
72
-
Shading Units
4608
16896
TMUs
288
528
ROPs
128
24
RT Cores
72
-
L1 Cache
128 KB per Array
256 KB (per SM)
L2 Cache
4 MB
50 MB
L3 Cache
128 MB
-
SM Count
-
132
Tensor Cores
-
528
Theoretical Performance
Pixel Rate
288.0 GPixel/s
44.09 GPixel/s
Texture Rate
648.0 GTexel/s
969.9 GTexel/s
FP16 (half)
41.47 TFLOPS
248.3 TFLOPS
FP32 (float)
20.74 TFLOPS
62.08 TFLOPS
FP64 (double)
1296 GFLOPS
31.04 TFLOPS
Graphics Processor
GPU Name
Navi 21
GB100
GPU Variant
Navi 21 XT(215-121000177)
-
Architecture
RDNA 2.0
Blackwell
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
26.8 billion
104 billion
Die Size
520 mm²
Unknown
Board Design
TDP
300W
1000W
Suggested PSU
700 W
1400 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
-
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.3
N/A
Shader Model
6.5
N/A
CUDA
-
10.0
📊 Benchmark
3DMark Time Spy
19,329
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