GPU Comparison
GEFORCE
NVIDIA B200
CORE STATE
GB100
VRAM
90 GB
CLOCK SPEED
1965 MHz
TDP
1000 W
BUS WIDTH
4096 bit
ARCHITECTURE
Blackwell
PROCESS
5 nm
LAUNCH DATE
—
VS
GEFORCE
Quadro K620M
CORE STATE
GM108S
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
B200
Quadro K620M
Core Specs
Shading Units
18,944
384
-98.0%
Shaders
18,944
384
-98.0%
TMUs
592
16
-97.3%
ROPs
24
8
-66.7%
SM Count
148
—
Clocks
Base Clock
700 MHz
1029 MHz
Boost Clock
1965 MHz
1124 MHz
Memory Clock
2000 MHz
8 Gbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
90 GB
2 GB
VRAM (MB)
92,160
2,048
-97.8%
Memory Type
HBM3e
DDR3
Memory Bus
4096 bit
64 bit
Bandwidth
4.10 TB/s
16.02 GB/s
Cache
L1 Cache
256 KB (per SM)
64 KB (per SMM)
L2 Cache
50 MB
1024 KB
Performance
Pixel Rate
47.16 GPixel/s
8.992 GPixel/s
Texture Rate
1,163.3 GTexel/s
17.98 GTexel/s
FP32 (TFLOPS)
74.45 TFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
37.22 TFLOPS (1:2)
26.98 GFLOPS (1:32)
FP16 (TFLOPS)
1,191.2 TFLOPS (16:1)
—
AI/RT
Tensor Cores
592
—
Power
TDP
1000 W
30 W
TDP (W)
1,000
30
-97.0%
Suggested PSU
1400 W
—
Power Connectors
—
None
Architecture
Architecture
Blackwell
Maxwell
GPU Name
GB100
GM108S
Generation
Server Blackwell
(Bxx)
Quadro Kepler-M
(Kx200M)
Process Size
5 nm
28 nm
Transistors
104,000 million
1,020 million
Die Size
—
77 mm²
Foundry
TSMC
TSMC
Density
—
13.2M / mm²
API Support
DirectX
—
12 (11_0)
OpenGL
—
4.6
Vulkan
—
1.4
OpenCL
3.0
3.0
CUDA
10.0
5.0
Shader Model
—
6.7 (5.1)
Physical
Slot Width
SXM Module
MXM Module
Outputs
No outputs
Portable Device Dependent
Bus Interface
PCIe 5.0 x16
MXM-A (3.0)
Other
Production
Active
End-of-life
Predecessor
Server Hopper
Quadro Fermi-M
Successor
Server Rubin
Quadro Maxwell-M