Phenom II X4 905e vs i7-3820

VS

Aggregate performance score

Core i7-3820
2012
4 cores / 8 threads, 130 Watt
3.63
+198%
Phenom II X4 905e
2009
4 cores / 4 threads, 65 Watt
1.22

Core i7-3820 outperforms Phenom II X4 905e by a whopping 198% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3820 and Phenom II X4 905e processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking15022337
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.320.08
Market segmentDesktop processorDesktop processor
Seriesno data4x Phenom II (Desktop)
Power efficiency2.641.78
Architecture codenameSandy Bridge-E (2011−2013)Deneb (2009−2011)
Release dateFebruary 2012 (12 years ago)2 June 2009 (15 years ago)
Launch price (MSRP)$400$212

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-3820 has 2800% better value for money than Phenom II X4 905e.

Detailed specifications

Core i7-3820 and Phenom II X4 905e 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 cores4 (Quad-Core)4 (Quad-Core)
Threads84
Base clock speed3.6 GHz2.5 GHz
Boost clock speed3.8 GHz2.5 GHz
Bus rate5 GT/sno data
L1 cache64 KB (per core)128 KB (per core)
L2 cache256 KB (per core)512 KB (per core)
L3 cache10240 KB (shared)6 MB (shared)
Chip lithography32 nm45 nm
Die size294 mm2258 mm2
Maximum case temperature (TCase)67 °Cno data
Number of transistors1270 million758 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-3820 and Phenom II X4 905e 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
SocketFCLGA2011AM3
Power consumption (TDP)130 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3820 and Phenom II X4 905e. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVX45 nm, 1.25
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Smart Response+no data
Demand Based Switching-no data

Security technologies

Core i7-3820 and Phenom II X4 905e technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Identity Protection+-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3820 and Phenom II X4 905e are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3820 and Phenom II X4 905e. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size64.23 GBno data
Max memory channels4no data
Maximum memory bandwidth51.2 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataOn certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Core i7-3820 and Phenom II X4 905e.

PCIe version2.02.0
PCI Express lanes40no data

Synthetic benchmark performance

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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-3820 3.63
+198%
Phenom II X4 905e 1.22

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.

i7-3820 5773
+198%
Phenom II X4 905e 1936

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-3820 622
+82.4%
Phenom II X4 905e 341

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-3820 2289
+99%
Phenom II X4 905e 1150

Gaming performance

Pros & cons summary


Performance score 3.63 1.22
Threads 8 4
Chip lithography 32 nm 45 nm
Power consumption (TDP) 130 Watt 65 Watt

i7-3820 has a 197.5% higher aggregate performance score, 100% more threads, and a 40.6% more advanced lithography process.

Phenom II X4 905e, on the other hand, has 100% lower power consumption.

The Core i7-3820 is our recommended choice as it beats the Phenom II X4 905e in performance tests.


Should you still have questions on choice between Core i7-3820 and Phenom II X4 905e, ask them in Comments section, and we shall answer.

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Intel Core i7-3820
Core i7-3820
AMD Phenom II X4 905e
Phenom II X4 905e

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Community ratings

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Questions & comments

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