Phenom II X3 P820 vs EPYC 8434P

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Aggregate performance score

EPYC 8434P
2023
48 cores / 96 threads, 200 Watt
37.83
+6205%

EPYC 8434P outperforms Phenom II X3 P820 by a whopping 6205% based on our aggregate benchmark results.

Primary details

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

Place in the ranking892994
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation14.37no data
Market segmentServerLaptop
Seriesno data3x AMD Phenom II
Power efficiency7.991.01
DesignerAMDAMD
ManufacturerTSMCno data
Architecture codenameSiena (2023−2024)Champlain (2010−2011)
Release date18 September 2023 (2 years ago)12 May 2010 (15 years ago)
Launch price (MSRP)$2,700no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Performance to price scatter graph

Detailed specifications

EPYC 8434P and Phenom II X3 P820 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 cores48 (Octatetraconta-Core)3 (Tri-Core)
Threads963
Base clock speed2.5 GHzno data
Boost clock speed3.1 GHz1.8 GHz
Bus rateno data3600 MHz
L1 cache64 KB (per core)384 KB
L2 cache1 MB (per core)1.5 MB
L3 cache128 MB (shared)no data
Chip lithography5 nm45 nm
Die size4x 73 mm2no data
Maximum case temperature (TCase)75 °Cno data
Number of transistors35,500 millionno data
64 bit support++
Windows 11 compatibilityno data-

Compatibility

Information on EPYC 8434P and Phenom II X3 P820 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 configuration1no data
SocketSP6S1
Power consumption (TDP)200 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 8434P and Phenom II X3 P820. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataVirtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a)
AES-NI+-
AVX+-
VirusProtect-+
Precision Boost 2+no data

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 8434P and Phenom II X3 P820 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 8434P and Phenom II X3 P820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by EPYC 8434P and Phenom II X3 P820.

PCIe version5.0no data
PCI Express lanes96no data

Gaming performance

Pros & cons summary


Performance score 37.83 0.60
Recency 18 September 2023 12 May 2010
Physical cores 48 3
Threads 96 3
Chip lithography 5 nm 45 nm
Power consumption (TDP) 200 Watt 25 Watt

EPYC 8434P has a 6205% higher aggregate performance score, an age advantage of 13 years, 1500% more physical cores and 3100% more threads, and a 800% more advanced lithography process.

Phenom II X3 P820, on the other hand, has 700% lower power consumption.

The AMD EPYC 8434P is our recommended choice as it beats the AMD Phenom II X3 P820 in performance tests.

Be aware that EPYC 8434P is a server/workstation processor while Phenom II X3 P820 is a notebook one.

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AMD EPYC 8434P
EPYC 8434P
AMD Phenom II X3 P820
Phenom II X3 P820

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Community ratings

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