Phenom II X4 920 vs i7-2600K

VS

Aggregate performance score

Core i7-2600K
2011
4 cores / 8 threads, 95 Watt
3.46
+154%
Phenom II X4 920
2009
4 cores / 4 threads, 125 Watt
1.36

Core i7-2600K outperforms Phenom II X4 920 by a whopping 154% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2600K and Phenom II X4 920 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking15552249
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.474.49
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7 (Desktop)no data
Power efficiency3.451.03
Architecture codenameSandy Bridge (2011−2013)Deneb (2009−2011)
Release date9 January 2011 (13 years ago)8 January 2009 (15 years ago)
Launch price (MSRP)$317$90

Cost-effectiveness evaluation

Performance per price, higher is better.

Phenom II X4 920 has 855% better value for money than i7-2600K.

Detailed specifications

Core i7-2600K and Phenom II X4 920 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)
Threads84
Base clock speed3.4 GHz2.8 GHz
Boost clock speed3.8 GHz2.8 GHz
Bus rate5 GT/sno data
L1 cache64 KB (per core)128 KB (per core)
L2 cache256K (per core)512 KB (per core)
L3 cache8 MB (shared)6 MB (shared)
Chip lithography32 nm45 nm
Die size216 mm2258 mm2
Maximum core temperature73 °Cno data
Number of transistors1,160 million758 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-2600K and Phenom II X4 920 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
SocketLGA1155AM3
Power consumption (TDP)95 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2600K and Phenom II X4 920. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXno data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology+no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
FDI+no data
Fast Memory Access+no data

Security technologies

Core i7-2600K and Phenom II X4 920 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Identity Protection+-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2600K and Phenom II X4 920 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2600K and Phenom II X4 920. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth21 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000On certain motherboards (Chipset feature)
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.35 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-2600K and Phenom II X4 920 integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2600K and Phenom II X4 920.

PCIe version2.02.0
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.

i7-2600K 3.46
+154%
Phenom II X4 920 1.36

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.

i7-2600K 5492
+155%
Phenom II X4 920 2156

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.

i7-2600K 667
+90.6%
Phenom II X4 920 350

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.

i7-2600K 2294
+109%
Phenom II X4 920 1097

Gaming performance

Pros & cons summary


Performance score 3.46 1.36
Recency 9 January 2011 8 January 2009
Threads 8 4
Chip lithography 32 nm 45 nm
Power consumption (TDP) 95 Watt 125 Watt

i7-2600K has a 154.4% higher aggregate performance score, an age advantage of 2 years, 100% more threads, a 40.6% more advanced lithography process, and 31.6% lower power consumption.

The Core i7-2600K is our recommended choice as it beats the Phenom II X4 920 in performance tests.


Should you still have questions on choice between Core i7-2600K and Phenom II X4 920, 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 i7-2600K
Core i7-2600K
AMD Phenom II X4 920
Phenom II X4 920

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.


4.2 1519 votes

Rate Core i7-2600K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 44 votes

Rate Phenom II X4 920 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-2600K or Phenom II X4 920, agree or disagree with our judgements, or report an error or mismatch.