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AMD Embedded R-Series RX-421ND vs Intel Atom x6425E

The AMD Embedded R-Series RX-421ND is newer than Intel Atom x6425E @ 2.00GHz and is around -18% slower in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, Intel Atom x6425E @ 2.00GHz uses substantially less power. All the CPUs in this comparison belong in the Mobile/Embedded CPU Class. The values below were tabulated from a combined 35 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×AMD Embedded R-Series RX-421ND×Intel Atom x6425E @ 2.00GHz+ ADD
Price Search Online Search Online
Socket TypeFP4FCBGA1493
CPU ClassMobile/EmbeddedMobile/Embedded
Clockspeed2.1 GHz2.0 GHz
Turbo SpeedUp to 3.4 GHzUp to 3.0 GHz
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheNA2L1: 256KB, L2: 1.5MB, L3: 4MB
TDP35W12W
Yearly Running Cost$6.39$2.19
OtherIntel UHD Graphics for 10th Gen Intel Processors
First Seen on ChartQ2 2022Q1 2022
# of Samples233
CPU Rank30182734
CPU Value0.066.1
Single Thread Rating(% diff. to max in group)1337(-4.6%)1401(0.0%)
CPU Mark(% diff. to max in group)3024(-18.3%)3699(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 7th of March 2026 - Higher results represent better performance
AMD Embedded R-Series RX-421ND
3,024
Intel Atom x6425E @ 2.00GHz
3,699
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 7th of March 2026 - Higher results represent better value
AMD Embedded R-Series RX-421ND
NA
Intel Atom x6425E @ 2.00GHz
66.1
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 7th of March 2026 - Higher results represent better performance
AMD Embedded R-Series RX-421ND
1,337
Intel Atom x6425E @ 2.00GHz
1,401
PassMark Software © 2008-2026
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
AMD Embedded R-Series RX-421ND Intel Atom x6425E @ 2.00GHz
Max TDP35W12W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.