Core 2 Quad Q9300 vs Phenom II X4 840

VS

Aggregate performance score

Phenom II X4 840
2011
4 cores / 4 threads, 95 Watt
1.52
+21.6%
Core 2 Quad Q9300
2008
4 cores / 4 threads, 95 Watt
1.25

Phenom II X4 840 outperforms Core 2 Quad Q9300 by a significant 22% based on our aggregate benchmark results.

Primary details

Comparing Phenom II X4 840 and Core 2 Quad Q9300 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21462312
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.08no data
Market segmentDesktop processorDesktop processor
Power efficiency1.511.25
Architecture codenamePropus (2009−2011)Yorkfield (2007−2009)
Release date4 January 2011 (13 years ago)March 2008 (16 years ago)
Launch price (MSRP)$90no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Phenom II X4 840 and Core 2 Quad Q9300 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)4 (Quad-Core)
Threads44
Base clock speed3.2 GHz2.5 GHz
Boost clock speed3.2 GHz2.5 GHz
Bus rateno data1333 MHz
L1 cache128 KB (per core)64K (per core)
L2 cache512 KB (per core)6 MB (shared)
L3 cache0 KB0 KB
Chip lithography45 nm45 nm
Die size169 mm22x 81 mm2
Maximum case temperature (TCase)no data71 °C
Number of transistors300 million456 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Phenom II X4 840 and Core 2 Quad Q9300 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 configuration11
SocketAM3LGA775
Power consumption (TDP)95 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 840 and Core 2 Quad Q9300. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data-
FSB parityno data+

Security technologies

Phenom II X4 840 and Core 2 Quad Q9300 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 840 and Core 2 Quad Q9300 are enumerated here.

VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 840 and Core 2 Quad Q9300. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 840 and Core 2 Quad Q9300.

PCIe version2.0no 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.

Phenom II X4 840 1.52
+21.6%
Core 2 Quad Q9300 1.25

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.

Phenom II X4 840 2417
+21.7%
Core 2 Quad Q9300 1986

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.

Phenom II X4 840 332
+4.1%
Core 2 Quad Q9300 319

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.

Phenom II X4 840 941
+5.5%
Core 2 Quad Q9300 892

Gaming performance

Pros & cons summary


Performance score 1.52 1.25

Phenom II X4 840 has a 21.6% higher aggregate performance score.

The Phenom II X4 840 is our recommended choice as it beats the Core 2 Quad Q9300 in performance tests.


Should you still have questions on choice between Phenom II X4 840 and Core 2 Quad Q9300, ask them in Comments section, and we shall answer.

Vote for your favorite

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


AMD Phenom II X4 840
Phenom II X4 840
Intel Core 2 Quad Q9300
Core 2 Quad Q9300

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.9 258 votes

Rate Phenom II X4 840 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.4 772 votes

Rate Core 2 Quad Q9300 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Phenom II X4 840 or Core 2 Quad Q9300, agree or disagree with our judgements, or report an error or mismatch.