Core 2 Duo P7450 vs Core i7-920

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Aggregate performance score

Core i7-920
2008
4 cores / 8 threads, 130 Watt
1.79
+265%
Core 2 Duo P7450
2009
2 cores / 2 threads, 25 Watt
0.49

Core i7-920 outperforms Core 2 Duo P7450 by a whopping 265% based on our aggregate benchmark results.

Primary details

Comparing Core i7-920 and Core 2 Duo P7450 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking20252899
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.22no data
Market segmentDesktop processorLaptop
SeriesCore i7 (Desktop)Intel Core 2 Duo
Power efficiency1.301.85
Architecture codenameBloomfield (2008−2010)Penryn (2008−2011)
Release dateNovember 2008 (16 years ago)1 January 2009 (15 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 P7450 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 GHz2.13 GHz
Boost clock speed2.93 GHz2.13 GHz
Bus rate1333 MHz1066 MHz
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)3 MB
L3 cache8 MB (shared)3 MB L2 Cache
Chip lithography45 nm45 nm
Die size263 mm2107 mm2
Maximum core temperature68 °C90 °C
Number of transistors731 million410 Million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data1.05V-1.15V

Compatibility

Information on Core i7-920 and Core 2 Duo P7450 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
SocketFCLGA1366,PLGA1366BGA479,BGA956,PGA478
Power consumption (TDP)130 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-920 and Core 2 Duo P7450. 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+no data
Demand Based Switching--
PAE36 Bitno data
FSB parityno data-

Security technologies

Core i7-920 and Core 2 Duo P7450 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-920 and Core 2 Duo P7450 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 P7450. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
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
+265%
Core 2 Duo P7450 0.49

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
+263%
Core 2 Duo P7450 783

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
+59.6%
Core 2 Duo P7450 260

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
+222%
Core 2 Duo P7450 443

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-920 3874
+68%
Core 2 Duo P7450 2306

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-920 15576
+256%
Core 2 Duo P7450 4373

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-920 4728
+149%
Core 2 Duo P7450 1900

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-920 9.57
+303%
Core 2 Duo P7450 38.57

Gaming performance

Pros & cons summary


Performance score 1.79 0.49
Physical cores 4 2
Threads 8 2
Power consumption (TDP) 130 Watt 25 Watt

i7-920 has a 265.3% higher aggregate performance score, and 100% more physical cores and 300% more threads.

Core 2 Duo P7450, on the other hand, has 420% lower power consumption.

The Core i7-920 is our recommended choice as it beats the Core 2 Duo P7450 in performance tests.

Note that Core i7-920 is a desktop processor while Core 2 Duo P7450 is a notebook one.


Should you still have questions on choice between Core i7-920 and Core 2 Duo P7450, ask them in Comments section, and we shall answer.

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Intel Core i7-920
Core i7-920
Intel Core 2 Duo P7450
Core 2 Duo P7450

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Community ratings

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Questions & comments

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