Phenom II X3 N870 vs Core 2 Duo E8400

VS

Aggregate performance score

Core 2 Duo E8400
2008
2 cores / 2 threads, 65 Watt
0.73
Phenom II X3 N870
2010
3 cores / 3 threads, 35 Watt
1.06
+45.2%

Phenom II X3 N870 outperforms Core 2 Duo E8400 by a considerable 45% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E8400 and Phenom II X3 N870 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26852434
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno data3x AMD Phenom II
Power efficiency1.062.86
Architecture codenameWolfdale (2008−2010)Champlain (2010−2011)
Release date1 January 2008 (16 years ago)16 December 2010 (14 years ago)

Detailed specifications

Core 2 Duo E8400 and Phenom II X3 N870 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 cores2 (Dual-core)3 (Tri-Core)
Threads23
Base clock speed3 GHzno data
Boost clock speed3 GHz2.3 GHz
Bus rate1333 MHz3600 MHz
L1 cache64 KB (per core)384 KB
L2 cache6 MB (shared)1.5 MB
L3 cache0 KBno data
Chip lithography45 nm45 nm
Die size104 mm2no data
Maximum case temperature (TCase)72 °Cno data
Number of transistors410 millionno data
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Duo E8400 and Phenom II X3 N870 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
SocketLGA775S1 (S1g4)
Power consumption (TDP)65 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 and Phenom II X3 N870. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data86x MMX(+), 3DNow!(+), SSE(1,2,3,4A),-64, AMD-V
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Duo E8400 and Phenom II X3 N870 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E8400 and Phenom II X3 N870 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Phenom II X3 N870. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and Phenom II X3 N870.

PCIe version2.0no data

Gaming performance

Pros & cons summary


Performance score 0.73 1.06
Recency 1 January 2008 16 December 2010
Physical cores 2 3
Threads 2 3
Power consumption (TDP) 65 Watt 35 Watt

Phenom II X3 N870 has a 45.2% higher aggregate performance score, an age advantage of 2 years, 50% more physical cores and 50% more threads, and 85.7% lower power consumption.

The Phenom II X3 N870 is our recommended choice as it beats the Core 2 Duo E8400 in performance tests.

Note that Core 2 Duo E8400 is a desktop processor while Phenom II X3 N870 is a notebook one.


Should you still have questions on choice between Core 2 Duo E8400 and Phenom II X3 N870, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo E8400
Core 2 Duo E8400
AMD Phenom II X3 N870
Phenom II X3 N870

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Community ratings

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Questions & comments

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