AMD Turion II Ultra M620 vs Intel Core i7-840QM

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Combined performance score

i7-840QM
1.26
+138%

Core i7-840QM outperforms Turion II Ultra M620 by 138% in our combined benchmark results.

General info

Comparing Core i7-840QM and Turion II Ultra M620 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking21622702
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7AMD Turion II Ultra
Architecture codenameClarksfield (2009−2010)Caspian (2009)
Release date20 June 2010 (13 years old)10 September 2009 (14 years old)
Launch price (MSRP)$568no data
Current price$191 (0.3x MSRP)$19.99

Technical specs

Core i7-840QM and Turion II Ultra M620 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 speed1.86 GHzno data
Boost clock speed3.2 GHz2.5 GHz
Bus support2500 MHz3600 MHz
L1 cache64 KB (per core)no data
L2 cache256 KB (per core)2 MB
L3 cache8 MB (shared)no data
Chip lithography45 nm45 nm
Die size296 mm2no data
Maximum core temperature100 °Cno data
Number of transistors774 millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo

Compatibility

Information on Core i7-840QM and Turion II Ultra M620 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
SocketFCPGA988,PGA988Socket S1 (s1g3) 638-pin
Power consumption (TDP)45 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-840QM and Turion II Ultra M620. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization
AES-NI-no data
PowerNowno data+
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology+no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+no data
PAE36 Bitno data
StatusDiscontinuedno data

Security technologies

Core i7-840QM and Turion II Ultra M620 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-840QM and Turion II Ultra M620 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-840QM and Turion II Ultra M620. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data
Maximum memory size8 GBno data
Max memory channels2no data
Maximum memory bandwidth21 GB/sno data
ECC memory support-no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardNoneno data

Peripherals

Specifications and connection of peripherals supported by Core i7-840QM and Turion II Ultra M620.

PCIe version2no 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.

i7-840QM 1.26
+138%
Turion II Ultra M620 0.53

Core i7-840QM outperforms Turion II Ultra M620 by 138% in our combined benchmark results.


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.

Benchmark coverage: 68%

i7-840QM 1937
+138%
Turion II Ultra M620 814

Core i7-840QM outperforms Turion II Ultra M620 by 138% in Passmark.

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.

Benchmark coverage: 42%

i7-840QM 393
+32.3%
Turion II Ultra M620 297

Core i7-840QM outperforms Turion II Ultra M620 by 32% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

i7-840QM 921
+67.5%
Turion II Ultra M620 550

Core i7-840QM outperforms Turion II Ultra M620 by 67% in GeekBench 5 Multi-Core.

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.

Benchmark coverage: 18%

i7-840QM 40
Turion II Ultra M620 31.3
+27.8%

Core i7-840QM outperforms Turion II Ultra M620 by 28% in wPrime 32.

Gaming performance

Advantages and disadvantages


Performance score 1.26 0.53
Recency 20 June 2010 10 September 2009
Physical cores 4 2
Threads 8 2
Power consumption (TDP) 45 Watt 35 Watt

The Core i7-840QM is our recommended choice as it beats the Turion II Ultra M620 in performance tests.


Should you still have questions on choice between Core i7-840QM and Turion II Ultra M620, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-840QM
Core i7-840QM
AMD Turion II Ultra M620
Turion II Ultra M620

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4.3 73 votes

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Questions and comments

Here you can ask a question about Core i7-840QM or Turion II Ultra M620, agree or disagree with our judgements, or report an error or mismatch.