Ryzen 5 PRO 4650U vs Athlon 64 FX-55

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Aggregate performance score

Athlon 64 FX-55
2004
1 core / 1 thread, 104 Watt
0.23
Ryzen 5 PRO 4650U
2020
6 cores / 12 threads, 15 Watt
6.93
+2913%

Ryzen 5 PRO 4650U outperforms Athlon 64 FX-55 by a whopping 2913% based on our aggregate benchmark results.

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking33921138
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD Renoir (Ryzen 4000 APU)
Power efficiency0.0919.51
DesignerAMDAMD
Manufacturerno dataTSMC
Architecture codenameClawhammer (2001−2005)Renoir-U PRO (Zen 2) (2020)
Release date10 October 2004 (20 years ago)7 May 2020 (5 years ago)
Launch price (MSRP)$180no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Performance to price scatter graph

Detailed specifications

Athlon 64 FX-55 and Ryzen 5 PRO 4650U basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores1 (Single-Core)6 (Hexa-Core)
Threads112
Base clock speed2.6 GHz2.1 GHz
Boost clock speed2.6 GHz4 GHz
Bus typeno dataPCIe 3.0
Multiplierno data21
L1 cache128 KB64K (per core)
L2 cache1 MB512K (per core)
L3 cache0 KB8 MB (shared)
Chip lithography130 nm7 nm
Die size193 mm2156 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)63 °Cno data
Number of transistors105 million9,800 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Athlon 64 FX-55 and Ryzen 5 PRO 4650U compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
Socket939FP6
Power consumption (TDP)104 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 64 FX-55 and Ryzen 5 PRO 4650U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataPRO, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI-+
FMA-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon 64 FX-55 and Ryzen 5 PRO 4650U are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 FX-55 and Ryzen 5 PRO 4650U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1 Depends on motherboardDDR4
Maximum memory sizeno data64 GB
Max memory channelsno data4
Maximum memory bandwidthno data68.27 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)AMD Radeon RX Vega 6 (Ryzen 4000/5000) ( - 1500 MHz)

Peripherals

Specifications and connection of peripherals supported by Athlon 64 FX-55 and Ryzen 5 PRO 4650U.

PCIe versionno data3.0

Synthetic benchmarks

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating.

Athlon 64 FX-55 0.23
Ryzen 5 PRO 4650U 6.93
+2913%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.

Athlon 64 FX-55 Samples: 13 404
Ryzen 5 PRO 4650U Samples: 971 12169
+2912%

Gaming performance

Pros & cons summary


Performance score 0.23 6.93
Recency 10 October 2004 7 May 2020
Physical cores 1 6
Threads 1 12
Chip lithography 130 nm 7 nm
Power consumption (TDP) 104 Watt 15 Watt

Ryzen 5 PRO 4650U has a 2913% higher aggregate performance score, an age advantage of 15 years, 500% more physical cores and 1100% more threads, a 1757.1% more advanced lithography process, and 593.3% lower power consumption.

The AMD Ryzen 5 PRO 4650U is our recommended choice as it beats the AMD Athlon 64 FX-55 in performance tests.

Note that Athlon 64 FX-55 is a desktop processor while Ryzen 5 PRO 4650U is a notebook one.

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AMD Athlon 64 FX-55
Athlon 64 FX-55
AMD Ryzen 5 PRO 4650U
Ryzen 5 PRO 4650U

Other comparisons

We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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