A8-3870K vs Phenom X3 8450

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Aggregate performance score

Phenom X3 8450
2008
3 cores / 3 threads, 95 Watt
0.69

A8-3870K outperforms Phenom X3 8450 by an impressive 94% based on our aggregate benchmark results.

Primary details

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

Place in the ranking28932401
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency0.310.57
DesignerAMDAMD
Architecture codenameToliman (2008)Llano (2011−2012)
Release dateApril 2008 (17 years ago)20 December 2011 (13 years ago)

Detailed specifications

Phenom X3 8450 and A8-3870K 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 cores3 (Tri-Core)4 (Quad-Core)
Threads34
Base clock speedno data3 GHz
Boost clock speed2.1 GHz3 GHz
L1 cache128 KB (per core)128 KB (per core)
L2 cache512 KB (per core)1 MB (per core)
L3 cache2 MB (shared)0 KB
Chip lithography65 nm32 nm
Die size285 mm2228 mm2
Number of transistors450 million1,178 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Phenom X3 8450 and A8-3870K 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
SocketAM2+FM1
Power consumption (TDP)95 Watt100 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom X3 8450 and A8-3870K are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom X3 8450 and A8-3870K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon HD 6550D

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.

Phenom X3 8450 0.69
A8-3870K 1.34
+94.2%

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.

Phenom X3 8450 1221
Samples: 257
A8-3870K 2355
+92.9%
Samples: 609

Gaming performance

Pros & cons summary


Performance score 0.69 1.34
Physical cores 3 4
Threads 3 4
Chip lithography 65 nm 32 nm
Power consumption (TDP) 95 Watt 100 Watt

Phenom X3 8450 has 5.3% lower power consumption.

A8-3870K, on the other hand, has a 94.2% higher aggregate performance score, 33.3% more physical cores and 33.3% more threads, and a 103.1% more advanced lithography process.

The AMD A8-3870K is our recommended choice as it beats the AMD Phenom X3 8450 in performance tests.

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AMD Phenom X3 8450
Phenom X3 8450
AMD A8-3870K
A8-3870K

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Community ratings

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