AMD Radeon RX 6600S vs NVIDIA B200 SXM 192 GB
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Jan 2024
Generation
Mobility Radeon
Server Blackwell
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
1700 MHz
1665 MHz
Boost Clock
2000 MHz
1837 MHz
Memory Clock
1750 MHz
2000 MHz
Memory
Memory Size
4GB
96GB
Memory Type
GDDR6
HBM3e
Memory Bus
128bit
4096bit
Bandwidth
224.0GB/s
4.10TB/s
Render Config
Compute Units
28
—
Shading Units
1792
16896
TMUs
112
528
ROPs
64
24
RT Cores
28
—
L1 Cache
128 KB per Array
256 KB (per SM)
L2 Cache
2 MB
50 MB
L3 Cache
32 MB
—
SM Count
—
132
Tensor Cores
—
528
Theoretical Performance
Pixel Rate
128.0 GPixel/s
44.09 GPixel/s
Texture Rate
224.0 GTexel/s
969.9 GTexel/s
FP16 (half)
14.34 TFLOPS
248.3 TFLOPS
FP32 (float)
7.168 TFLOPS
62.08 TFLOPS
FP64 (double)
448.0 GFLOPS
31.04 TFLOPS
Graphics Processor
GPU Name
Navi 23
GB100
Architecture
RDNA 2.0
Blackwell
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
11.06 billion
104 billion
Die Size
237 mm²
Unknown
Board Design
TDP
80W
1000W
Outputs
No outputs
No outputs
Power Connectors
None
—
Suggested PSU
—
1400 W
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
7,700
—
3DMark Time Spy Extreme
3,389
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.