Phenom II X6 1045T vs i7-2700K

VS

Aggregate performance score

Core i7-2700K
2011
4 cores / 8 threads, 95 Watt
3.62
+79.2%
Phenom II X6 1045T
2010
6 cores / 6 threads, 95 Watt
2.02

Core i7-2700K outperforms Phenom II X6 1045T by an impressive 79% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2700K and Phenom II X6 1045T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking15071926
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.320.29
Market segmentDesktop processorDesktop processor
SeriesCore i7 (Desktop)no data
Power efficiency3.612.01
Architecture codenameSandy Bridge (2011−2013)Thuban (2010)
Release date24 October 2011 (13 years ago)1 September 2010 (14 years ago)
Launch price (MSRP)$514$175

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-2700K has 10% better value for money than Phenom II X6 1045T.

Detailed specifications

Core i7-2700K and Phenom II X6 1045T 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)6 (Hexa-Core)
Threads86
Base clock speed3.5 GHz2.7 GHz
Boost clock speed3.9 GHz3.2 GHz
Bus rate5 GT/sno data
L1 cache64 KB (per core)128 KB (per core)
L2 cache256 KB (per core)512 KB (per core)
L3 cache8 MB (shared)6 MB (shared)
Chip lithography32 nm45 nm
Die size216 mm2346 mm2
Maximum core temperature73 °Cno data
Number of transistors1,160 million904 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-2700K and Phenom II X6 1045T 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 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2700K and Phenom II X6 1045T. 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 Technology2.0no 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 i7-2700K and Phenom II X6 1045T 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 i7-2700K and Phenom II X6 1045T 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 i7-2700K and Phenom II X6 1045T. 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 3000no data
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 i7-2700K and Phenom II X6 1045T integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2700K and Phenom II X6 1045T.

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.

i7-2700K 3.62
+79.2%
Phenom II X6 1045T 2.02

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.

i7-2700K 5744
+78.9%
Phenom II X6 1045T 3210

Gaming performance

Pros & cons summary


Performance score 3.62 2.02
Recency 24 October 2011 1 September 2010
Physical cores 4 6
Threads 8 6
Chip lithography 32 nm 45 nm

i7-2700K has a 79.2% higher aggregate performance score, an age advantage of 1 year, 33.3% more threads, and a 40.6% more advanced lithography process.

Phenom II X6 1045T, on the other hand, has 50% more physical cores.

The Core i7-2700K is our recommended choice as it beats the Phenom II X6 1045T in performance tests.


Should you still have questions on choice between Core i7-2700K and Phenom II X6 1045T, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i7-2700K
Core i7-2700K
AMD Phenom II X6 1045T
Phenom II X6 1045T

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Community ratings

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Questions & comments

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