Core 2 Duo E4700 vs Core i7-920

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Aggregate performance score

Core i7-920
2008
4 cores / 8 threads, 130 Watt
1.79
+203%
Core 2 Duo E4700
2008
2 cores / 2 threads, 65 Watt
0.59

Core i7-920 outperforms Core 2 Duo E4700 by a whopping 203% based on our aggregate benchmark results.

Primary details

Comparing Core i7-920 and Core 2 Duo E4700 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking20252815
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.22no data
Market segmentDesktop processorDesktop processor
SeriesCore i7 (Desktop)no data
Power efficiency1.300.86
Architecture codenameBloomfield (2008−2010)Allendale (2006−2009)
Release dateNovember 2008 (16 years ago)March 2008 (16 years ago)
Launch price (MSRP)$340no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-920 and Core 2 Duo E4700 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)2 (Dual-core)
Threads82
Base clock speed2.66 GHz2.6 GHz
Boost clock speed2.93 GHz2.6 GHz
Bus rate1333 MHz800 MHz
L1 cache64 KB (per core)64 KB
L2 cache256 KB (per core)2 MB
L3 cache8 MB (shared)0 KB
Chip lithography45 nm65 nm
Die size263 mm2111 mm2
Maximum core temperature68 °C73 °C
Number of transistors731 million167 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.5V

Compatibility

Information on Core i7-920 and Core 2 Duo E4700 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
SocketFCLGA1366,PLGA1366PLGA775
Power consumption (TDP)130 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-920 and Core 2 Duo E4700. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring-+
Demand Based Switching--
PAE36 Bitno data
FSB parityno data-

Security technologies

Core i7-920 and Core 2 Duo E4700 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-920 and Core 2 Duo E4700 are enumerated here.

VT-x+-
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-920 and Core 2 Duo E4700. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3
Maximum memory size24 GBno data
Max memory channels3no data
Maximum memory bandwidth25.6 GB/sno 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.

i7-920 1.79
+203%
Core 2 Duo E4700 0.59

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.

i7-920 2840
+203%
Core 2 Duo E4700 936

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.

i7-920 415
+33.4%
Core 2 Duo E4700 311

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.

i7-920 1426
+161%
Core 2 Duo E4700 546

Gaming performance

Pros & cons summary


Performance score 1.79 0.59
Physical cores 4 2
Threads 8 2
Chip lithography 45 nm 65 nm
Power consumption (TDP) 130 Watt 65 Watt

i7-920 has a 203.4% higher aggregate performance score, 100% more physical cores and 300% more threads, and a 44.4% more advanced lithography process.

Core 2 Duo E4700, on the other hand, has 100% lower power consumption.

The Core i7-920 is our recommended choice as it beats the Core 2 Duo E4700 in performance tests.


Should you still have questions on choice between Core i7-920 and Core 2 Duo E4700, ask them in Comments section, and we shall answer.

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Intel Core i7-920
Core i7-920
Intel Core 2 Duo E4700
Core 2 Duo E4700

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.7 401 vote

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Questions & comments

Here you can ask a question about Core i7-920 or Core 2 Duo E4700, agree or disagree with our judgements, or report an error or mismatch.