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 M40
CORE STATE
GM200
VRAM
12 GB
CLOCK SPEED
1112 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Quadro K620M
Tesla M40
Core Specs
Shading Units
384
3,072
+700.0%
Shaders
384
3,072
+700.0%
TMUs
16
192
+1100.0%
ROPs
8
96
+1100.0%
Clocks
Base Clock
1029 MHz
948 MHz
Boost Clock
1124 MHz
1112 MHz
Memory Clock
1001 MHz
2 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
2 GB
12 GB
VRAM (MB)
2,048
12,288
+500.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
384 bit
Bandwidth
16.02 GB/s
288.4 GB/s
Cache
L1 Cache
64 KB (per SMM)
48 KB (per SMM)
L2 Cache
1024 KB
3 MB
Performance
Pixel Rate
8.992 GPixel/s
106.8 GPixel/s
Texture Rate
17.98 GTexel/s
213.5 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
6.832 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
213.5 GFLOPS (1:32)
Power
TDP
30 W
250 W
TDP (W)
30
250
+733.3%
Suggested PSU
—
600 W
Power Connectors
None
8-pin EPS
Architecture
Architecture
Maxwell
Maxwell 2.0
GPU Name
GM108S
GM200
Generation
Quadro Kepler-M
(Kx200M)
Tesla Maxwell
(Mxx)
Process Size
28 nm
28 nm
Transistors
1,020 million
8,000 million
Die Size
77 mm²
601 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
13.3M / 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
5.2
Shader Model
6.7 (5.1)
6.8
Physical
Slot Width
MXM Module
Dual-slot
Length
—
267 mm
10.5 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 Kepler
Successor
Quadro Maxwell-M
Tesla Pascal