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
Tesla M2090
CORE STATE
GF110
VRAM
6 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Fermi 2.0
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
Quadro K620M
Tesla M2090
Core Specs
Shading Units
384
512
+33.3%
Shaders
384
512
+33.3%
TMUs
16
64
+300.0%
ROPs
8
48
+500.0%
SM Count
—
16
Clocks
Base Clock
1029 MHz
—
Boost Clock
1124 MHz
—
GPU Clock
—
651 MHz
Shader Clock
—
1301 MHz
Memory Clock
1001 MHz
2 Gbps effective
924 MHz
3.7 Gbps effective
Memory
Memory Size
2 GB
6 GB
VRAM (MB)
2,048
6,144
+200.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
384 bit
Bandwidth
16.02 GB/s
177.4 GB/s
Cache
L1 Cache
64 KB (per SMM)
64 KB (per SM)
L2 Cache
1024 KB
768 KB
Performance
Pixel Rate
8.992 GPixel/s
20.83 GPixel/s
Texture Rate
17.98 GTexel/s
41.66 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
1,332.2 GFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
666.1 GFLOPS (1:2)
Power
TDP
30 W
250 W
TDP (W)
30
250
+733.3%
Suggested PSU
—
600 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
Maxwell
Fermi 2.0
GPU Name
GM108S
GF110
Generation
Quadro Kepler-M
(Kx200M)
Tesla Fermi
(x20xx)
Process Size
28 nm
40 nm
Transistors
1,020 million
3,000 million
Die Size
77 mm²
520 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
5.8M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
—
OpenCL
3.0
1.1
CUDA
5.0
2.0
Shader Model
6.7 (5.1)
5.1
Physical
Slot Width
MXM Module
Dual-slot
Length
—
248 mm
9.8 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
MXM-A (3.0)
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Quadro Fermi-M
Tesla
Successor
Quadro Maxwell-M
Tesla Kepler