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 M4
CORE STATE
GM206
VRAM
4 GB
CLOCK SPEED
1072 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Quadro K620
Tesla M4
Core Specs
Shading Units
384
1,024
+166.7%
Shaders
384
1,024
+166.7%
TMUs
24
64
+166.7%
ROPs
16
32
+100.0%
Clocks
Base Clock
1058 MHz
872 MHz
Boost Clock
1124 MHz
1072 MHz
Memory Clock
900 MHz
1800 Mbps effective
1375 MHz
5.5 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
128 bit
Bandwidth
28.80 GB/s
88.00 GB/s
Cache
L1 Cache
64 KB (per SMM)
48 KB (per SMM)
L2 Cache
2 MB
1024 KB
Performance
Pixel Rate
17.98 GPixel/s
34.30 GPixel/s
Texture Rate
26.98 GTexel/s
68.61 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
2.195 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
68.61 GFLOPS (1:32)
Power
TDP
45 W
50 W
TDP (W)
45
50
+11.1%
Suggested PSU
200 W
250 W
Power Connectors
None
—
Architecture
Architecture
Maxwell
Maxwell 2.0
GPU Name
GM107
GM206
Generation
Quadro Kepler
(Kx200)
Tesla Maxwell
(Mxx)
Process Size
28 nm
28 nm
Transistors
1,870 million
2,940 million
Die Size
148 mm²
228 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
12.9M / 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
5.2
Shader Model
6.7 (5.1)
6.8
Physical
Slot Width
Single-slot
Single-slot
Length
160 mm
6.3 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