Core 2 Duo E6400 vs Pentium B950

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Aggregate performance score

Pentium B950
2011
2 cores / 2 threads, 35 Watt
0.63
+28.6%
Core 2 Duo E6400
2006
2 cores / 2 threads, 65 Watt
0.49

Pentium B950 outperforms Core 2 Duo E6400 by a significant 29% based on our aggregate benchmark results.

Primary details

Comparing Pentium B950 and Core 2 Duo E6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27832902
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Pentiumno data
Power efficiency1.700.71
Architecture codenameSandy Bridge (2011−2013)Conroe (2006−2007)
Release date19 June 2011 (13 years ago)July 2006 (18 years ago)
Launch price (MSRP)$134no data

Detailed specifications

Pentium B950 and Core 2 Duo E6400 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)
Threads22
Base clock speed2.1 GHz2.13 GHz
Boost clock speed2.1 GHz2.13 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/s1066 MHz
Multiplier21no data
L1 cache64K (per core)64 KB
L2 cache256K (per core)2 MB
L3 cache2 MB (shared)0 KB
Chip lithography32 nm65 nm
Die size131 mm2143 mm2
Maximum core temperature85 °C61 °C
Number of transistors504 million291 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.5V

Compatibility

Information on Pentium B950 and Core 2 Duo E6400 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 configuration1 (Uniprocessor)1
SocketPGA988LGA775,PLGA775
Power consumption (TDP)35 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium B950 and Core 2 Duo E6400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
FMA+-
Enhanced SpeedStep (EIST)++
My WiFi-no data
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Demand Based Switching--
FDI+no data
Fast Memory Access+no data
FSB parityno data-

Security technologies

Pentium B950 and Core 2 Duo E6400 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium B950 and Core 2 Duo E6400 are enumerated here.

VT-d-no data
VT-x-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium B950 and Core 2 Duo E6400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3
Maximum memory size16 GBno data
Max memory channels2no data
Maximum memory bandwidth21.335 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics for 2nd Generation Intel Processorsno data
Graphics max frequency1.1 GHzno data

Graphics interfaces

Available interfaces and connections of Pentium B950 and Core 2 Duo E6400 integrated GPUs.

Number of displays supported2no data
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Pentium B950 and Core 2 Duo E6400.

PCIe version2.0no 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.

Pentium B950 0.63
+28.6%
Core 2 Duo E6400 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.

Pentium B950 1002
+28.5%
Core 2 Duo E6400 780

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.

Pentium B950 311
+33.5%
Core 2 Duo E6400 233

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.

Pentium B950 508
+35.8%
Core 2 Duo E6400 374

Gaming performance

Pros & cons summary


Performance score 0.63 0.49
Chip lithography 32 nm 65 nm
Power consumption (TDP) 35 Watt 65 Watt

Pentium B950 has a 28.6% higher aggregate performance score, a 103.1% more advanced lithography process, and 85.7% lower power consumption.

The Pentium B950 is our recommended choice as it beats the Core 2 Duo E6400 in performance tests.

Be aware that Pentium B950 is a notebook processor while Core 2 Duo E6400 is a desktop one.


Should you still have questions on choice between Pentium B950 and Core 2 Duo E6400, ask them in Comments section, and we shall answer.

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Intel Pentium B950
Pentium B950
Intel Core 2 Duo E6400
Core 2 Duo E6400

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Community ratings

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


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Questions & comments

Here you can ask a question about Pentium B950 or Core 2 Duo E6400, agree or disagree with our judgements, or report an error or mismatch.