Pentium B950 vs i7-820QM

Aggregate performance score

Core i7-820QM
2009
4 cores / 8 threads, 45 Watt
1.12
+77.8%
Pentium B950
2011
2 cores / 2 threads, 35 Watt
0.63

Core i7-820QM outperforms Pentium B950 by an impressive 78% based on our aggregate benchmark results.

Primary details

Comparing Core i7-820QM and Pentium B950 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking23942770
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Pentium
Power efficiency2.361.70
Architecture codenameClarksfield (2009−2010)Sandy Bridge (2011−2013)
Release date23 September 2009 (15 years ago)19 June 2011 (13 years ago)
Launch price (MSRP)$546$134

Detailed specifications

Core i7-820QM and Pentium B950 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 speed1.73 GHz2.1 GHz
Boost clock speed3.06 GHz2.1 GHz
Bus typeDMI 1.0DMI 2.0
Bus rate2.5 GT/s4 × 5 GT/s
Multiplier1321
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache8 MB (shared)2 MB (shared)
Chip lithography45 nm32 nm
Die size296 mm2131 mm2
Maximum core temperature100 °C85 °C
Number of transistors774 million504 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-820QM and Pentium B950 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 (Uniprocessor)
SocketFCPGA988,PGA988PGA988
Power consumption (TDP)45 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-820QM and Pentium B950. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® SSE4.1, Intel® SSE4.2
FMA-+
vPro+no data
Enhanced SpeedStep (EIST)++
My WiFino data-
Turbo Boost Technology1.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
Demand Based Switchingno data-
PAE36 Bitno data
FDIno data+
Fast Memory Accessno data+

Security technologies

Core i7-820QM and Pentium B950 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Anti-Theftno data-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-820QM and Pentium B950 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-820QM and Pentium B950. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1066, DDR3-1333DDR3
Maximum memory size8 GB16 GB
Max memory channels22
Maximum memory bandwidth21.335 GB/s21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardNoneIntel® HD Graphics for 2nd Generation Intel® Processors
Graphics max frequencyno data1.1 GHz

Graphics interfaces

Available interfaces and connections of Core i7-820QM and Pentium B950 integrated GPUs.

Number of displays supportedno data2
eDPno data+
DisplayPort-+
HDMI-+
SDVOno data+
CRTno data+

Peripherals

Specifications and connection of peripherals supported by Core i7-820QM and Pentium B950.

PCIe version22.0
PCI Express lanes1616

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.

i7-820QM 1.12
+77.8%
Pentium B950 0.63

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.

i7-820QM 1775
+78.4%
Pentium B950 995

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.

i7-820QM 382
+23.2%
Pentium B950 310

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.

i7-820QM 978
+92.5%
Pentium B950 508

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.

i7-820QM 3272
+19.8%
Pentium B950 2730

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.

i7-820QM 8559
+62.9%
Pentium B950 5255

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.

i7-820QM 3149
+46.8%
Pentium B950 2145

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.

i7-820QM 42.04
Pentium B950 34.3
+22.6%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-820QM 3
+81.6%
Pentium B950 2

Gaming performance

Pros & cons summary


Performance score 1.12 0.63
Recency 23 September 2009 19 June 2011
Physical cores 4 2
Threads 8 2
Chip lithography 45 nm 32 nm
Power consumption (TDP) 45 Watt 35 Watt

i7-820QM has a 77.8% higher aggregate performance score, and 100% more physical cores and 300% more threads.

Pentium B950, on the other hand, has an age advantage of 1 year, a 40.6% more advanced lithography process, and 28.6% lower power consumption.

The Core i7-820QM is our recommended choice as it beats the Pentium B950 in performance tests.


Should you still have questions on choice between Core i7-820QM and Pentium B950, ask them in Comments section, and we shall answer.

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Intel Core i7-820QM
Core i7-820QM
Intel Pentium B950
Pentium B950

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Community ratings

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Questions & comments

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