NVIDIA Quadro K620M vs NVIDIA GRID K2
We compared two Professional market GPUs: 2GB VRAM Quadro K620M and 4GB VRAM GRID K2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Quadro K620M 's Advantages
Released 1 years and 10 months late
Boost Clock1124MHz
Lower TDP (30W vs 225W)
NVIDIA GRID K2 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)
1152 additional rendering cores
Score
Benchmark
FP32 (float)
Quadro K620M
0.863 TFLOPS
GRID K2
+165%
2.289 TFLOPS
Graphics Card
Mar 2015
Release Date
May 2013
Quadro Mobile
Generation
GRID
Professional
Type
Professional
MXM-A (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
1029 MHz
Base Clock
-
1124 MHz
Boost Clock
-
900 MHz
Memory Clock
1250 MHz
Memory
2GB
Memory Size
4GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
160.0GB/s
Render Config
-
-
-
-
-
-
384
Shading Units
1536
16
TMUs
128
8
ROPs
32
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
16 KB (per SMX)
1024 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
8.992 GPixel/s
Pixel Rate
23.84 GPixel/s
17.98 GTexel/s
Texture Rate
95.36 GTexel/s
-
-
-
863.2 GFLOPS
FP32 (float)
2.289 TFLOPS
26.98 GFLOPS
FP64 (double)
95.36 GFLOPS
Board Design
30W
TDP
225W
-
Suggested PSU
550 W
No outputs
Outputs
No outputs
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GM108
GPU Name
GK104
N15M-Q3
GPU Variant
GK104-895-A2
Maxwell
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
Unknown
Transistors
3.54 billion
Unknown
Die Size
294 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.2.175
5.0
CUDA
3.0
5.1
Shader Model
6.5 (5.1)
