GPU Comparison
GEFORCE
NVIDIA Quadro K620
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
45 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2014
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 K620
Tesla M40
Core Specs
Shading Units
384
3,072
+700.0%
Shaders
384
3,072
+700.0%
TMUs
24
192
+700.0%
ROPs
16
96
+500.0%
Clocks
Base Clock
1058 MHz
948 MHz
Boost Clock
1124 MHz
1112 MHz
Memory Clock
900 MHz
1800 Mbps 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
128 bit
384 bit
Bandwidth
28.80 GB/s
288.4 GB/s
Cache
L1 Cache
64 KB (per SMM)
48 KB (per SMM)
L2 Cache
2 MB
3 MB
Performance
Pixel Rate
17.98 GPixel/s
106.8 GPixel/s
Texture Rate
26.98 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
45 W
250 W
TDP (W)
45
250
+455.6%
Suggested PSU
200 W
600 W
Power Connectors
None
8-pin EPS
Architecture
Architecture
Maxwell
Maxwell 2.0
GPU Name
GM107
GM200
Generation
Quadro Kepler
(Kx200)
Tesla Maxwell
(Mxx)
Process Size
28 nm
28 nm
Transistors
1,870 million
8,000 million
Die Size
148 mm²
601 mm²
Foundry
TSMC
TSMC
Density
12.6M / 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
Single-slot
Dual-slot
Length
160 mm
6.3 inches
267 mm
10.5 inches
Height
69 mm
2.7 inches
—
Outputs
1x DVI1x DisplayPort 1.2
No outputs
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Quadro Fermi
Tesla Kepler
Successor
Quadro Maxwell
Tesla Pascal