Core 2 Quad Q9300 vs Core i7-5820K

Aggregate performance score

Core i7-5820K
2014
6 cores / 12 threads, 140 Watt
6.20
+396%
Core 2 Quad Q9300
2008
4 cores / 4 threads, 95 Watt
1.25

Core i7-5820K outperforms Core 2 Quad Q9300 by a whopping 396% based on our aggregate benchmark results.

Primary details

Comparing Core i7-5820K and Core 2 Quad Q9300 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking10882310
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.19no data
Market segmentDesktop processorDesktop processor
Power efficiency4.191.24
Architecture codenameHaswell-E (2014)Yorkfield (2007−2009)
Release date1 September 2014 (10 years ago)March 2008 (16 years ago)
Launch price (MSRP)$410no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-5820K 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 cores6 (Hexa-Core)4 (Quad-Core)
Threads124
Base clock speed3.3 GHz2.5 GHz
Boost clock speed3.6 GHz2.5 GHz
Bus rate0 GT/s1333 MHz
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)6 MB (shared)
L3 cache15 MB (shared)0 KB
Chip lithography22 nm45 nm
Die size356 mm22x 81 mm2
Maximum core temperature67 °Cno data
Maximum case temperature (TCase)no data71 °C
Number of transistors2,600 million456 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Core i7-5820K 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
SocketFCLGA2011LGA775
Power consumption (TDP)140 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-5820K and Core 2 Quad Q9300. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVX2no data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
TSX+-
Idle States++
Thermal Monitoring++
Smart Response+no data
Demand Based Switching--
FSB parityno data+

Security technologies

Core i7-5820K and Core 2 Quad Q9300 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Identity Protection+-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-5820K and Core 2 Quad Q9300 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-5820K and Core 2 Quad Q9300. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR1, DDR2, DDR3
Maximum memory size64 GBno data
Max memory channels4no data
Maximum memory bandwidth68 GB/sno data

Peripherals

Specifications and connection of peripherals supported by Core i7-5820K and Core 2 Quad Q9300.

PCIe version3.0no data
PCI Express lanes28no 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.

i7-5820K 6.20
+396%
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.

i7-5820K 9841
+396%
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.

i7-5820K 1171
+268%
Core 2 Quad Q9300 318

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.

i7-5820K 5454
+513%
Core 2 Quad Q9300 890

3DMark Fire Strike Physics

i7-5820K 12430
+211%
Core 2 Quad Q9300 4000

Gaming performance

Pros & cons summary


Performance score 6.20 1.25
Physical cores 6 4
Threads 12 4
Chip lithography 22 nm 45 nm
Power consumption (TDP) 140 Watt 95 Watt

i7-5820K has a 396% higher aggregate performance score, 50% more physical cores and 200% more threads, and a 104.5% more advanced lithography process.

Core 2 Quad Q9300, on the other hand, has 47.4% lower power consumption.

The Core i7-5820K is our recommended choice as it beats the Core 2 Quad Q9300 in performance tests.


Should you still have questions on choice between Core i7-5820K 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.


Intel Core i7-5820K
Core i7-5820K
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.


3.7 389 votes

Rate Core i7-5820K 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 Core i7-5820K or Core 2 Quad Q9300, agree or disagree with our judgements, or report an error or mismatch.