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
Quadro M4000
CORE STATE
GM204
VRAM
8 GB
CLOCK SPEED
—
TDP
120 W
BUS WIDTH
256 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
Quadro K620M
Quadro M4000
Core Specs
Shading Units
384
1,664
+333.3%
Shaders
384
1,664
+333.3%
TMUs
16
104
+550.0%
ROPs
8
64
+700.0%
Clocks
Base Clock
1029 MHz
—
Boost Clock
1124 MHz
—
GPU Clock
—
773 MHz
Memory Clock
1001 MHz
2 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
256 bit
Bandwidth
16.02 GB/s
192.3 GB/s
Cache
L1 Cache
64 KB (per SMM)
48 KB (per SMM)
L2 Cache
1024 KB
2 MB
Performance
Pixel Rate
8.992 GPixel/s
49.47 GPixel/s
Texture Rate
17.98 GTexel/s
80.39 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
2.573 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
80.39 GFLOPS (1:32)
Power
TDP
30 W
120 W
TDP (W)
30
120
+300.0%
Suggested PSU
—
300 W
Power Connectors
None
1x 6-pin
Architecture
Architecture
Maxwell
Maxwell 2.0
GPU Name
GM108S
GM204
Generation
Quadro Kepler-M
(Kx200M)
Quadro Maxwell
(Mx000)
Process Size
28 nm
28 nm
Transistors
1,020 million
5,200 million
Die Size
77 mm²
398 mm²
Foundry
TSMC
TSMC
Density
13.2M / 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
MXM Module
Single-slot
Length
—
241 mm
9.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
4x DisplayPort 1.2
Bus Interface
MXM-A (3.0)
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Quadro Fermi-M
Quadro Kepler
Successor
Quadro Maxwell-M
Quadro Pascal