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IntelBX80648I75820K
IntelBX8071513700K

6 Cores, 12 Threads @3.3GHz, Haswell-E.
Release date: Q3 2014.

16 Cores, 24 Threads @3.4GHz, Raptor Lake.
Release date: Q4 2022.

Real World Speed
Performance profile from 142,750 user samples
101,694 User Benchmarks
Best Bench: 88% Base clock 3.3 GHz, turbo 4.6 GHz (avg)
Worst Bench: 68% Base clock 3.3 GHz, turbo 1.2 GHz (avg)
Poor: 68% Great: 88%
SPEED RANK: 301st / 1468
Gaming
Gaming 77%
Battleship
Desktop
Desktop 78%
Battleship
Workstation
Workstation 67%
Battle cruiser
41,056 User Benchmarks
Best Bench: 131% Base clock 3.4 GHz, turbo 5.45 GHz (avg)
Worst Bench: 120% Base clock 3.4 GHz, turbo 4.95 GHz (avg)
Poor: 120% Great: 131%
SPEED RANK: 10th / 1468
Gaming
Gaming 126%
UFO
Desktop
Desktop 124%
UFO
Workstation
Workstation 151%
UFO
Effective Speed
Effective CPU Speed
76.8 % 126 % Much faster effective speed.
+63%
Memory
Avg. Memory Latency
86.4 Pts +2% 84.7 Pts
1-Core
Avg. Single Core Speed
96.3 Pts 222 Pts Hugely faster single-core speed.
+131%
2-Core
Avg. Dual Core Speed
192 Pts 444 Pts Hugely faster dual-core speed.
+131%
4-Core
Avg. Quad Core Speed
364 Pts 888 Pts Hugely faster quad-core speed.
+144%
8-Core
Avg. Octa Core Speed
594 Pts 1,676 Pts Hugely faster octa-core speed.
+182%
Memory
OC Memory Latency
94 Pts +1% 93.4 Pts
1-Core
OC Single Core Speed
120 Pts 230 Pts Hugely faster OC single-core speed.
+92%
2-Core
OC Dual Core Speed
237 Pts 459 Pts Hugely faster OC dual-core speed.
+94%
4-Core
OC Quad Core Speed
462 Pts 915 Pts Hugely faster OC quad-core speed.
+98%
8-Core
OC Octa Core Speed
737 Pts 1,781 Pts Hugely faster OC octa-core speed.
+142%
Market Share
Based on 69,051,341 CPUs tested
Market Share
Market Share (trailing 30 days)
0.13 % 0.82 % Hugely higher market share.
+531%
Value
Value For Money
94.7 % 126 % Much better value.
+33%
User Rating
UBM User Rating
66 % 91 % Much more popular.
+38%
Price
Price (score)
$130 Much cheaper.
+52%
$273
Age
Newest
123 Months 24 Months Hugely more recent.
+80%
TDP
Thermal Design Power (TDP)
140 Watts 125 Watts More energy efficient.
+11%
Cores
CPU Processing Cores
6 cores 16 cores Hugely higher core count.
+167%
Threads
CPU Processing Threads
12 threads 24 threads Hugely higher thread count.
+100%
Lithography
Manufacturing process
22 nm 10 nm Much newer manufacturing.
+55%
Base Clock
Base Clock Speed
3.3 GHz 3.4 GHz +3%
Turbo Clock
Turbo Clock Speed
3.6 GHz 5.4 GHz Much faster turbo frequency.
+50%
64-Core
OC Multi Core Speed
933 Pts 3,235 Pts Hugely faster OC 64-core speed.
+247%
64-Core
Avg. Multi Core Speed
748 Pts 3,098 Pts Hugely faster 64-core speed.
+314%
Series
CPU Architecture
Haswell-E Raptor Lake
Socket
Motherboard Socket
LGA2011-V3 FCLGA1700
Graphics
Integrated Graphics
None UHD 770

The Intel Core i7-5820K is the cheapest of three (5820K,5930K,5960X) new Haswell-E prosumer/enthusiast processors. The 5820K sports six physical cores and twelve threads which allow for enormous processing throughput. Unfortunately Intel have somewhat handicapped the 5820K by setting its base clock at just 3.3 GHz, 0.7GHz lower than the class leading 4790K. Comparing the 4790K and 5820K shows that the cheaper i7-4790K is significantly faster at both single and dual threaded workloads. The additional two cores found in the 5820K are not relevant to general computing and as such the 5820K probably makes a better server rather than consumer proposition. The Haswell-E X99 architecture also requires DDR4 RAM which is currently far more expensive than DDR3. Overall the 5820K is a very expensive option and probably best avoided by the vast majority of consumers.  [Sep '14 CPUPro]

MORE DETAILS

Intel’s 13th gen. Raptor Lake CPUs offer around 10% faster gaming and 45% faster multi-core performance than their predecessors. The new CPUs are compatible with DDR4 memory and Z690/B660 ($150) motherboards. New high-end gaming builders need look no further than the 13600K. The 13600K beats AMD’s flagship 7950X in gaming and almost matches the 7900X in multi-core performance. Extreme workstation users may find value in the 13700K or 13900K. Gamers on a tight budget can save $40 USD with a 13600KF which is a 13600K without integrated graphics. Although Ryzen 7000 has weaker multi-core, weaker single-core, higher platform costs and higher unit prices AMD have a 3D joker up their sleeve (7800X3D est. 2023). Via “Advanced Marketing” on youtube, forums, reddit, and twitter AMD will demonstrate that their upcoming CPU is the “best in the world” and offer “proof” by way of a small handful of obscure workloads. Games that few people play e.g. (Factorio, SotTR) will be cherry picked, video footage of the gameplay/settings won’t be provided and frame drops will be conveniently ignored. This playbook has easily outsold Intel in recent years but with every overhyped release, consumers lose trust in AMD. Based on social media/press coverage, you would never guess that the combined market share for all of AMD’s Radeon 5000 and 6000 GPUs amongst PC gamers is just 2.12% (Steam stats). Meanwhile Nvidia’s RTX 2060 alone accounts for a whopping 5.03%. Largely thanks to marketing incompetence, Intel is existentially motivated to deliver material annual performance improvements. Consumers can look forward to Meteor Lake (14th gen) in less than a years time. [Oct '22 CPUPro]

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Processor Rankings (Price vs Performance) November 2024 CPU Rankings

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]

Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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