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AMD Athlon II X4 557 vs Intel Pentium Gold G6405T

The AMD Athlon II X4 557 is newer than Intel Pentium Gold G6405T @ 3.50GHz and is around -18% slower in multi-threaded (CPU Mark) testing. The AMD Athlon II X4 557 is around -26% slower in single-thread testing. Also, Intel Pentium Gold G6405T @ 3.50GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 6 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 Athlon II X4 557×Intel Pentium Gold G6405T @ 3.50GHz+ ADD
Price Search Online Search Online
Socket TypeAM3FCLGA1200
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.5 GHz
Turbo SpeedUp to 3.7 GHzNot Supported
# of Physical Cores4 (Threads: 4)2 (Threads: 4)
CacheL1: 512KB, L2: 2.0MB, L3: 6MBL1: 256KB, L2: 1.0MB, L3: 4MB
TDP160W35W
Yearly Running Cost$29.20$6.39
OtherIntel UHD Graphics 610
First Seen on ChartQ3 2021Q2 2021
# of Samples15
CPU Rank32002914
CPU Value0.048.9
Single Thread Rating(% diff. to max in group)1345(-26.1%)1821(0.0%)
CPU Mark(% diff. to max in group)2567(-17.9%)3128(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 20th of January 2026 - Higher results represent better performance
AMD Athlon II X4 557
2,567
Intel Pentium Gold G6405T @ 3.50GHz
3,128
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 20th of January 2026 - Higher results represent better value
AMD Athlon II X4 557
NA
Intel Pentium Gold G6405T @ 3.50GHz
48.9
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 20th of January 2026 - Higher results represent better performance
AMD Athlon II X4 557
1,345
Intel Pentium Gold G6405T @ 3.50GHz
1,821
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 Athlon II X4 557 Intel Pentium Gold G6405T @ 3.50GHz
Max TDP160W35W
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.