GPU Comparison
GEFORCE
NVIDIA 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
VS
GEFORCE
Tesla P4
CORE STATE
GP104
VRAM
8 GB
CLOCK SPEED
1114 MHz
TDP
75 W
BUS WIDTH
256 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Quadro K620M
Tesla P4
Core Specs
Shading Units
384
2,560
+566.7%
Shaders
384
2,560
+566.7%
TMUs
16
160
+900.0%
ROPs
8
64
+700.0%
SM Count
—
20
Clocks
Base Clock
1029 MHz
886 MHz
Boost Clock
1124 MHz
1114 MHz
Memory Clock
1001 MHz
2 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
256 bit
Bandwidth
16.02 GB/s
192.3 GB/s
Cache
L1 Cache
64 KB (per SMM)
48 KB (per SM)
L2 Cache
1024 KB
2 MB
Performance
Pixel Rate
8.992 GPixel/s
71.30 GPixel/s
Texture Rate
17.98 GTexel/s
178.2 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
5.704 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
178.2 GFLOPS (1:32)
FP16 (TFLOPS)
—
89.12 GFLOPS (1:64)
Power
TDP
30 W
75 W
TDP (W)
30
75
+150.0%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
Maxwell
Pascal
GPU Name
GM108S
GP104
Generation
Quadro Kepler-M
(Kx200M)
Tesla Pascal
(Pxx)
Process Size
28 nm
16 nm
Transistors
1,020 million
7,200 million
Die Size
77 mm²
314 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
22.9M / mm²
API Support
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
5.0
6.1
Shader Model
6.7 (5.1)
6.8
Physical
Slot Width
MXM Module
Single-slot
Length
—
168 mm
6.6 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
MXM-A (3.0)
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Quadro Fermi-M
Tesla Maxwell
Successor
Quadro Maxwell-M
Tesla Volta