Core i3-2340UE vs Core 2 Duo E8400

VS

Aggregate performance score

Core 2 Duo E8400
2008
2 cores / 2 threads, 65 Watt
0.73
+19.7%
Core i3-2340UE
2011
2 cores / 4 threads, 17 Watt
0.61

Core 2 Duo E8400 outperforms Core i3-2340UE by a significant 20% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E8400 and Core i3-2340UE processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26852795
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Core i3
Power efficiency1.063.39
Architecture codenameWolfdale (2008−2010)Sandy Bridge (2011−2013)
Release date1 January 2008 (16 years ago)1 June 2011 (13 years ago)
Launch price (MSRP)no data$250

Detailed specifications

Core 2 Duo E8400 and Core i3-2340UE 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)2 (Dual-core)
Threads24
Base clock speed3 GHzno data
Boost clock speed3 GHz1.3 GHz
Bus typeno dataDMI 2.0
Bus rate1333 MHz4 × 5 GT/s
Multiplierno data13
L1 cache64 KB (per core)64K (per core)
L2 cache6 MB (shared)256K (per core)
L3 cache0 KB3 MB (shared)
Chip lithography45 nm32 nm
Die size104 mm2149 mm2
Maximum case temperature (TCase)72 °Cno data
Number of transistors410 million624 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Duo E8400 and Core i3-2340UE 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 (Uniprocessor)
SocketLGA775Intel BGA1023
Power consumption (TDP)65 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 and Core i3-2340UE. You'll probably need this information if you require some particular technology.

FMA-+
AVX-+
Enhanced SpeedStep (EIST)++
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 Core i3-2340UE 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 Core i3-2340UE are enumerated here.

VT-d+no data
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Core i3-2340UE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3
Maximum memory sizeno data16 GB
Max memory channelsno data2
Maximum memory bandwidthno data21.335 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)Intel HD Graphics 3000

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and Core i3-2340UE.

PCIe version2.0no 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.

Core 2 Duo E8400 0.73
+19.7%
i3-2340UE 0.61

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.

Core 2 Duo E8400 1165
+19.4%
i3-2340UE 976

Gaming performance

Pros & cons summary


Performance score 0.73 0.61
Recency 1 January 2008 1 June 2011
Threads 2 4
Chip lithography 45 nm 32 nm
Power consumption (TDP) 65 Watt 17 Watt

Core 2 Duo E8400 has a 19.7% higher aggregate performance score.

i3-2340UE, on the other hand, has an age advantage of 3 years, 100% more threads, a 40.6% more advanced lithography process, and 282.4% lower power consumption.

The Core 2 Duo E8400 is our recommended choice as it beats the Core i3-2340UE in performance tests.

Note that Core 2 Duo E8400 is a desktop processor while Core i3-2340UE is a notebook one.


Should you still have questions on choice between Core 2 Duo E8400 and Core i3-2340UE, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core 2 Duo E8400
Core 2 Duo E8400
Intel Core i3-2340UE
Core i3-2340UE

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Community ratings

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Questions & comments

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