NVIDIA Quadro K420 vs NVIDIA GRID A100B
We compared two Professional market GPUs: 1024MB VRAM Quadro K420 and 48GB VRAM GRID A100B to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Quadro K420 's Advantages
Lower TDP (41W vs 400W)
NVIDIA GRID A100B 's Advantages
Released 5 years and 10 months late
Boost Clock1005MHz
More VRAM (48GB vs 1024GB)
Larger VRAM bandwidth (1866GB/s vs 28.51GB/s)
6720 additional rendering cores
Score
Benchmark
FP32 (float)
Quadro K420
0.336 TFLOPS
GRID A100B
+4033%
13.89 TFLOPS
Graphics Card
Jul 2014
Release Date
May 2020
Quadro
Generation
GRID
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
1005 MHz
891 MHz
Memory Clock
1215 MHz
Memory
1024MB
Memory Size
48GB
DDR3
Memory Type
HBM2e
128bit
Memory Bus
6144bit
28.51GB/s
Bandwidth
1866GB/s
Render Config
-
-
-
-
SM Count
108
192
Shading Units
6912
16
TMUs
432
16
ROPs
192
-
Tensor Cores
432
-
-
-
16 KB (per SMX)
L1 Cache
192 KB (per SM)
256 KB
L2 Cache
48 MB
-
-
-
Theoretical Performance
3.504 GPixel/s
Pixel Rate
193.0 GPixel/s
14.02 GTexel/s
Texture Rate
434.2 GTexel/s
-
FP16 (half)
55.57 TFLOPS
336.4 GFLOPS
FP32 (float)
13.89 TFLOPS
14.02 GFLOPS
FP64 (double)
6.947 TFLOPS
Board Design
41W
TDP
400W
200 W
Suggested PSU
800 W
1x DVI
1x DisplayPort 1.2
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GK107
GPU Name
GA100
GK107-301-A2
GPU Variant
-
Kepler
Architecture
Ampere
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
1.27 billion
Transistors
54.2 billion
118 mm²
Die Size
826 mm²
Graphics Features
12 (11_0)
DirectX
N/A
4.6
OpenGL
N/A
3.0
OpenCL
3.0
1.1
Vulkan
N/A
3.0
CUDA
8.0
5.1
Shader Model
N/A
