Quadro RTX 8000 vs Quadro K620M
We compared two Professional market GPUs: 48GB VRAM Quadro RTX 8000 and 2GB VRAM Quadro K620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Quadro RTX 8000 's Advantages
Released 3 years and 5 months late
Boost Clock has increased by 57% (1770MHz vs 1124MHz)
More VRAM (48GB vs 2GB)
Larger VRAM bandwidth (672.0GB/s vs 14.40GB/s)
4224 additional rendering cores
Quadro K620M 's Advantages
Lower TDP (30W vs 260W)
Score
Benchmark
FP32 (float)
Quadro RTX 8000
+1789%
16310
Quadro K620M
863
Blender
Quadro RTX 8000
+3368%
2844
Quadro K620M
82
OctaneBench
Quadro RTX 8000
+1772%
337
Quadro K620M
18
Graphics Card
Aug 2018
Release Date
Mar 2015
Quadro
Generation
Quadro Mobile
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
1395 MHz
Base Clock
1029 MHz
1770 MHz
Boost Clock
1124 MHz
1750 MHz
Memory Clock
900 MHz
Memory
48GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
384bit
Memory Bus
64bit
672.0GB/s
Bandwidth
14.40GB/s
Render Config
72
SM Count
-
4608
Shading Units
384
288
TMUs
16
96
ROPs
8
576
Tensor Cores
-
72
RT Cores
-
64 KB (per SM)
L1 Cache
64 KB (per SMM)
6 MB
L2 Cache
1024 KB
Theoretical Performance
169.9 GPixel/s
Pixel Rate
8.992 GPixel/s
509.8 GTexel/s
Texture Rate
17.98 GTexel/s
32.62 TFLOPS
FP16 (half)
-
16.31 TFLOPS
FP32 (float)
863.2 GFLOPS
509.8 GFLOPS
FP64 (double)
26.98 GFLOPS
Board Design
260W
TDP
30W
600 W
Suggested PSU
-
4x DisplayPort 1.4a
1x USB Type-C
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
TU102
GPU Name
GM108
TU102-875-A1
GPU Variant
N15M-Q3
Turing
Architecture
Maxwell
TSMC
Foundry
TSMC
12 nm
Process Size
28 nm
18.6 billion
Transistors
Unknown
754 mm²
Die Size
Unknown
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
7.5
CUDA
5.0
6.6
Shader Model
5.1
