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 K20m
CORE STATE
GK110
VRAM
5 GB
CLOCK SPEED
—
TDP
225 W
BUS WIDTH
320 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Quadro K620
Tesla K20m
Core Specs
Shading Units
384
2,496
+550.0%
Shaders
384
2,496
+550.0%
TMUs
24
208
+766.7%
ROPs
16
40
+150.0%
Clocks
Base Clock
1058 MHz
—
Boost Clock
1124 MHz
—
GPU Clock
—
706 MHz
Memory Clock
900 MHz
1800 Mbps effective
1300 MHz
5.2 Gbps effective
Memory
Memory Size
2 GB
5 GB
VRAM (MB)
2,048
5,120
+150.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
320 bit
Bandwidth
28.80 GB/s
208.0 GB/s
Cache
L1 Cache
64 KB (per SMM)
16 KB (per SMX)
L2 Cache
2 MB
1280 KB
Performance
Pixel Rate
17.98 GPixel/s
36.71 GPixel/s
Texture Rate
26.98 GTexel/s
146.8 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
3.524 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
1,174.8 GFLOPS (1:3)
Power
TDP
45 W
225 W
TDP (W)
45
225
+400.0%
Suggested PSU
200 W
550 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
Maxwell
Kepler
GPU Name
GM107
GK110
Generation
Quadro Kepler
(Kx200)
Tesla Kepler
(Kxx)
Process Size
28 nm
28 nm
Transistors
1,870 million
7,080 million
Die Size
148 mm²
561 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
12.6M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.175
OpenCL
3.0
3.0
CUDA
5.0
3.5
Shader Model
6.7 (5.1)
6.5 (5.1)
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 2.0 x16
Other
Launch Price
—
3,199 USD
Production
End-of-life
End-of-life
Predecessor
Quadro Fermi
Tesla Fermi
Successor
Quadro Maxwell
Tesla Maxwell