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GPU Comparison
NVIDIA RTX A4 Mobile vs NVIDIA Quadro K420
NVIDIA RTX A4 Mobile vs NVIDIA Quadro K420
VS
NVIDIA RTX A4 Mobile
NVIDIA Quadro K420
We compared two Professional market GPUs: 4GB VRAM RTX A4 Mobile and 1024MB VRAM Quadro K420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A4 Mobile 's Advantages
Released 6 years and 9 months late
Boost Clock1770MHz
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (224.0GB/s vs 28.51GB/s)
1856 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A4 Mobile
+2057%
7.25 TFLOPS
Quadro K420
0.336 TFLOPS
RTX A4 Mobile
VS
Quadro K420
Graphics Card
Apr 2021
Release Date
Jul 2014
Quadro Ampere-M
Generation
Quadro
Professional
Type
Professional
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1297 MHz
Base Clock
-
1770 MHz
Boost Clock
-
1750 MHz
Memory Clock
891 MHz
Memory
4GB
Memory Size
1024MB
GDDR6
Memory Type
DDR3
128bit
Memory Bus
128bit
224.0GB/s
Bandwidth
28.51GB/s
Render Config
16
SM Count
-
-
Compute Units
-
2048
Shading Units
192
64
TMUs
16
32
ROPs
16
64
Tensor Cores
-
16
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
256 KB
Theoretical Performance
56.64 GPixel/s
Pixel Rate
3.504 GPixel/s
113.3 GTexel/s
Texture Rate
14.02 GTexel/s
7.250 TFLOPS
FP16 (half)
-
7.250 TFLOPS
FP32 (float)
336.4 GFLOPS
113.3 GFLOPS
FP64 (double)
14.02 GFLOPS
Graphics Processor
GA107
GPU Name
GK107
-
GPU Variant
GK107-301-A2
Ampere
Architecture
Kepler
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
8.7 billion
Transistors
1.27 billion
200 mm²
Die Size
118 mm²
Board Design
Unknown
TDP
41W
-
Suggested PSU
200 W
Portable Device Dependent
Outputs
1x DVI 1x DisplayPort 1.2
None
Power Connectors
None
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
8.6
CUDA
3.0
6.7
Shader Model
5.1
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