i7-970 vs i7-5820K

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Aggregate performance score

Core i7-5820K
2014
6 cores / 12 threads, 140 Watt
6.20
+50.5%
Core i7-970
2010
6 cores / 12 threads, 130 Watt
4.12

Core i7-5820K outperforms Core i7-970 by an impressive 50% based on our aggregate benchmark results.

Primary details

Comparing Core i7-5820K and Core i7-970 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking10881400
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.190.32
Market segmentDesktop processorDesktop processor
Power efficiency4.193.00
Architecture codenameHaswell-E (2014)Gulftown (2010−2011)
Release date1 September 2014 (10 years ago)19 July 2010 (14 years ago)
Launch price (MSRP)$410$662

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-5820K has 272% better value for money than i7-970.

Detailed specifications

Core i7-5820K and Core i7-970 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)6 (Hexa-Core)
Threads1212
Base clock speed3.3 GHz3.2 GHz
Boost clock speed3.6 GHz3.46 GHz
Bus rate0 GT/s4.8 GT/s
L1 cache64 KB (per core)64 KB (per core)
L2 cache256 KB (per core)256 KB (per core)
L3 cache15 MB (shared)12 MB (shared)
Chip lithography22 nm32 nm
Die size356 mm2239 mm2
Maximum core temperature67 °C68 °C
Number of transistors2,600 million1,170 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-5820K and Core i7-970 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
SocketFCLGA2011FCLGA1366
Power consumption (TDP)140 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-5820K and Core i7-970. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVX2Intel® SSE4.2
AES-NI++
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.01.0
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring+-
Smart Response+no data
Demand Based Switching--
PAEno data36 Bit

Security technologies

Core i7-5820K and Core i7-970 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 i7-970 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-5820K and Core i7-970. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR3
Maximum memory size64 GB24 GB
Max memory channels43
Maximum memory bandwidth68 GB/s25.6 GB/s

Peripherals

Specifications and connection of peripherals supported by Core i7-5820K and Core i7-970.

PCIe version3.02.0
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
+50.5%
i7-970 4.12

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
+50.3%
i7-970 6546

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
+136%
i7-970 497

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
+138%
i7-970 2287

3DMark Fire Strike Physics

i7-5820K 12430
+65.3%
i7-970 7520

Gaming performance

Pros & cons summary


Performance score 6.20 4.12
Recency 1 September 2014 19 July 2010
Chip lithography 22 nm 32 nm
Power consumption (TDP) 140 Watt 130 Watt

i7-5820K has a 50.5% higher aggregate performance score, an age advantage of 4 years, and a 45.5% more advanced lithography process.

i7-970, on the other hand, has 7.7% lower power consumption.

The Core i7-5820K is our recommended choice as it beats the Core i7-970 in performance tests.


Should you still have questions on choice between Core i7-5820K and Core i7-970, ask them in Comments section, and we shall answer.

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Intel Core i7-5820K
Core i7-5820K
Intel Core i7-970
Core i7-970

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Community ratings

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Questions & comments

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