NVIDIA RTX A6000 vs NVIDIA Quadro K620
We compared two Professional market GPUs: 48GB VRAM RTX A6000 and 2GB VRAM Quadro K620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A6000 's Advantages
Released 6 years and 3 months late
Boost Clock has increased by 60% (1800MHz vs 1124MHz)
More VRAM (48GB vs 2GB)
Larger VRAM bandwidth (768.0GB/s vs 28.80GB/s)
10368 additional rendering cores
NVIDIA Quadro K620 's Advantages
Lower TDP (45W vs 300W)
Score
Benchmark
FP32 (float)
RTX A6000
+4385%
38.71 TFLOPS
Quadro K620
0.863 TFLOPS
3DMark Time Spy
RTX A6000
+2449%
17742
Quadro K620
696
3DMark Time Spy Extreme
RTX A6000
+3785%
9324
Quadro K620
240
Graphics Card
Oct 2020
Release Date
Jul 2014
Quadro Ampere
Generation
Quadro
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1410 MHz
Base Clock
1058 MHz
1800 MHz
Boost Clock
1124 MHz
2000 MHz
Memory Clock
900 MHz
Memory
48GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
384bit
Memory Bus
128bit
768.0GB/s
Bandwidth
28.80GB/s
Render Config
-
-
-
84
SM Count
-
10752
Shading Units
384
336
TMUs
24
112
ROPs
16
336
Tensor Cores
-
84
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SMM)
6 MB
L2 Cache
2 MB
-
-
-
Theoretical Performance
201.6 GPixel/s
Pixel Rate
17.98 GPixel/s
604.8 GTexel/s
Texture Rate
26.98 GTexel/s
38.71 TFLOPS
FP16 (half)
-
38.71 TFLOPS
FP32 (float)
863.2 GFLOPS
604.8 GFLOPS
FP64 (double)
26.98 GFLOPS
Board Design
300W
TDP
45W
700 W
Suggested PSU
200 W
4x DisplayPort 1.4a
Outputs
1x DVI
1x DisplayPort 1.4a
8-pin EPS
Power Connectors
None
Graphics Processor
GA102
GPU Name
GM107
-
GPU Variant
GM107-850-A2
Ampere
Architecture
Maxwell
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
28.3 billion
Transistors
1.87 billion
628 mm²
Die Size
148 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.6
CUDA
5.0
6.7
Shader Model
5.1
