
Radeon R9 390 X2 and B200 SXM 192 GB - video card comparison
Radeon R9 390 X2
B200 SXM 192 GB
Architecture
GCN 2.0 (2013−2017)
Blackwell
GPU code name
Grenada
GB100
Market segment
Desktop
Desktop
Release date
September 2015
2024 (recently)
Interface
PCIe 3.0 x16
PCIe 5.0 x16
Supplementary power connectors
4x 8-pin
-
Boost clock speed
-
1837 MHz
Core clock speed
1000 MHz
-
Floating-point performance
2x 5,120 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
6,200 million
208,000 million
Pipelines / CUDA cores
2560
16896
Power consumption (TDP)
580 Watt
1000 Watt
Texture fill rate
160.0
969.9
Memory type
GDDR5
HBM3e
Maximum RAM amount
8 GB
96 GB
Memory bus width
512 Bit
4096 Bit
Memory clock speed
5400 MHz
8 GB/s
Memory bandwidth
345.6 GB/s
4.1 TB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
N/A
CUDA
-
9.0
OpenCL
2.0
3.0
OpenGL
4.6
N/A
Shader Model
6.3
N/A
Vulkan
1.2.131
N/A