Core 2 Extreme X7800 vs Core i7-3840QM

VS

Aggregate performance score

Core i7-3840QM
2012
4 cores / 8 threads, 45 Watt
3.86
+422%
Core 2 Extreme X7800
2007
2 cores / 2 threads, 44 Watt
0.74

Core i7-3840QM outperforms Core 2 Extreme X7800 by a whopping 422% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3840QM and Core 2 Extreme X7800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14742686
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Core 2 Extreme
Power efficiency7.821.53
Architecture codenameIvy Bridge (2012−2013)Merom XE (2007)
Release date3 September 2012 (12 years ago)17 July 2007 (17 years ago)
Launch price (MSRP)$568$851

Detailed specifications

Core i7-3840QM and Core 2 Extreme X7800 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 speed2.8 GHz2.6 GHz
Boost clock speed3.8 GHz2.6 GHz
Bus rate5 GT/s800 MHz
L1 cache64K (per core)128 KB
L2 cache256K (per core)4 MB
L3 cache8 MB (shared)4 MB L2 Cache
Chip lithography22 nm65 nm
Die size160 mm2143 mm2
Maximum core temperature105 °C100 °C
Number of transistors1,400 million291 Million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data1.1V-1.375V

Compatibility

Information on Core i7-3840QM and Core 2 Extreme X7800 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
SocketFCBGA1224,FCPGA988PPGA478
Power consumption (TDP)45 Watt44 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3840QM and Core 2 Extreme X7800. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Demand Based Switching--
FDI+no data
Fast Memory Access+no data
FSB parityno data-

Security technologies

Core i7-3840QM and Core 2 Extreme X7800 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key+no data
Identity Protection+-
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3840QM and Core 2 Extreme X7800 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3840QM and Core 2 Extreme X7800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 4000no data
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.3 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-3840QM and Core 2 Extreme X7800 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Core i7-3840QM and Core 2 Extreme X7800.

PCIe version3.0no data
PCI Express lanes16no 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.

i7-3840QM 3.86
+422%
Core 2 Extreme X7800 0.74

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.

i7-3840QM 5905
+419%
Core 2 Extreme X7800 1138

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.

i7-3840QM 6998
+237%
Core 2 Extreme X7800 2079

Gaming performance

Pros & cons summary


Performance score 3.86 0.74
Recency 3 September 2012 17 July 2007
Physical cores 4 2
Threads 8 2
Chip lithography 22 nm 65 nm
Power consumption (TDP) 45 Watt 44 Watt

i7-3840QM has a 421.6% higher aggregate performance score, an age advantage of 5 years, 100% more physical cores and 300% more threads, and a 195.5% more advanced lithography process.

Core 2 Extreme X7800, on the other hand, has 2.3% lower power consumption.

The Core i7-3840QM is our recommended choice as it beats the Core 2 Extreme X7800 in performance tests.


Should you still have questions on choice between Core i7-3840QM and Core 2 Extreme X7800, ask them in Comments section, and we shall answer.

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Intel Core i7-3840QM
Core i7-3840QM
Intel Core 2 Extreme X7800
Core 2 Extreme X7800

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