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