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
Quadro M4000M
CORE STATE
GM204
VRAM
4 GB
CLOCK SPEED
1013 MHz
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Quadro K620
Quadro M4000M
Core Specs
Shading Units
384
1,280
+233.3%
Shaders
384
1,280
+233.3%
TMUs
24
80
+233.3%
ROPs
16
64
+300.0%
Clocks
Base Clock
1058 MHz
975 MHz
Boost Clock
1124 MHz
1013 MHz
Memory Clock
900 MHz
1800 Mbps effective
1253 MHz
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
256 bit
Bandwidth
28.80 GB/s
160.4 GB/s
Cache
L1 Cache
64 KB (per SMM)
48 KB (per SMM)
L2 Cache
2 MB
2 MB
Performance
Pixel Rate
17.98 GPixel/s
64.83 GPixel/s
Texture Rate
26.98 GTexel/s
81.04 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
2.593 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
81.04 GFLOPS (1:32)
Power
TDP
45 W
100 W
TDP (W)
45
100
+122.2%
Suggested PSU
200 W
—
Power Connectors
None
None
Architecture
Architecture
Maxwell
Maxwell 2.0
GPU Name
GM107
GM204
Generation
Quadro Kepler
(Kx200)
Quadro Maxwell-M
(Mx000M)
Process Size
28 nm
28 nm
Transistors
1,870 million
5,200 million
Die Size
148 mm²
398 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
13.1M / 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
MXM Module
Length
160 mm
6.3 inches
—
Height
69 mm
2.7 inches
—
Outputs
1x DVI1x DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Quadro Fermi
Quadro Kepler-M
Successor
Quadro Maxwell
Quadro Pascal-M