Intel
IntelBX80633I74820K

6 Cores, 12 Threads @2 GHz, Sandy Bridge EP.
Release date ≤ Q1 2014.

4 Cores, 8 Threads @3.7GHz, Ivy Bridge-E.
Release date: Q3 2013.

Real World Speed
Performance profile from 26,709 user samples
3,540 User Benchmarks
Best Bench: 63% Base clock 2.4 GHz, turbo 2.65 GHz (avg)
Worst Bench: 47% Base clock 2 GHz, turbo 1 GHz (avg)
Poor: 47% Great: 63%
SPEED RANK: 625th / 1442
Gaming
Gaming 58%
Gunboat
Desktop
Desktop 58%
Gunboat
Workstation
Workstation 46%
Yacht
23,169 User Benchmarks
Best Bench: 81% Base clock 3.6 GHz, turbo 3.6 GHz (avg)
Worst Bench: 61% Base clock 3.7 GHz, turbo 3.75 GHz (avg)
Poor: 61% Great: 81%
SPEED RANK: 361st / 1442
Gaming
Gaming 72%
Battleship
Desktop
Desktop 75%
Battleship
Workstation
Workstation 58%
Gunboat
Effective Speed
Effective CPU Speed
57.5 % 71.8 % Faster effective speed.
+25%
Memory
Avg. Memory Latency
75.2 Pts 84.7 Pts Lower memory latency.
+13%
1-Core
Avg. Single Core Speed
56 Pts 94 Pts Much faster single-core speed.
+68%
2-Core
Avg. Dual Core Speed
113 Pts 182 Pts Much faster dual-core speed.
+61%
4-Core
Avg. Quad Core Speed
217 Pts 320 Pts Much faster quad-core speed.
+47%
8-Core
Avg. Octa Core Speed
340 Pts 477 Pts Much faster octa-core speed.
+40%
Memory
OC Memory Latency
82.8 Pts 94 Pts Lower OC memory latency.
+14%
1-Core
OC Single Core Speed
65.1 Pts 116 Pts Much faster OC single-core speed.
+78%
2-Core
OC Dual Core Speed
130 Pts 217 Pts Much faster OC dual-core speed.
+67%
4-Core
OC Quad Core Speed
249 Pts 392 Pts Much faster OC quad-core speed.
+57%
8-Core
OC Octa Core Speed
391 Pts 581 Pts Much faster OC octa-core speed.
+49%
Market Share
Based on 67,747,810 CPUs tested
Market Share
Market Share (trailing 30 days)
0.01 % 0.05 % Hugely higher market share.
+400%
Value
Value For Money
81.9 % 92.7 % Better value.
+13%
User Rating
UBM User Rating
51 % 55 % Slightly more popular.
+8%
Price
Price (score)
$77 Much cheaper.
+30%
$110
Age
Newest
121+ Months +5% 127 Months
64-Core
OC Multi Core Speed
464 Pts 583 Pts Faster OC 64-core speed.
+26%
64-Core
Avg. Multi Core Speed
421 Pts 487 Pts Faster 64-core speed.
+16%
Launch Date
Launch Date
Q1'12 Q3'13
Cache
Cache
15 MB SmartCache 10 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
AVX SSE4.2, AVX, AES
Embedded Options Available
Embedded Options Available
Yes No
Lithography
Lithography
32 nm 22 nm
Recommended Price
Recommended Customer Price
$382.00 - $410.00 N/A
Max Turbo Frequency
Max Turbo Frequency
2.5 GHz 3.9 GHz
Bus Speed
Bus Speed
7.2 GT/s QPI 5 GT/s DMI2
Max Memory Size
Max Memory Size (dependent on memory type)
384 GB 64 GB
Memory Types
Memory Types
DDR3 800/1066/1333 DDR3 1333/1600/1866
Memory Bandwidth
Max Memory Bandwidth
42.6 GB/s 59.7 GB/s
ECC Memory Supported
ECC Memory Supported ‡
Yes No
Max CPU Configuration
Max CPU Configuration
2 1
Turbo Boost Tech
Intel® Turbo Boost Technology ‡
1.0 2.0
Demand Based Switching
Intel® Demand Based Switching
Yes No
vPro Tech
Intel® vPro™ Technology ‡
Yes No
Identity Protection Tech
Intel® Identity Protection Technology ‡
No Yes
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
Yes No

More specs » More specs »
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This is yet another processor from Intel that demonstrates their total market domination in the high end PC sector. The 4820K isn't really a step forward in any particular direction but rather a variant on what's already been available (performance wise) for a few years. As long as Intel is largely competing with itself they will likely continue with these sorts of incremental releases. The 4820K requires an Intel X79 chipset, which dates back to Sandy Bridge-E and lacks some of the newer features like native USB 3.0 support. An investment in the 4820K only makes sense if you already own an LGA2011 Motherboard and could be seen as good money chasing bad given that the platform is due an upgrade. That said the 4820K is a very capable multi-core processor and it sits amongst the top handful of processors in this regard. For typical consumers a Haswell i3 will offer mostly identical response times, a lower energy footprint and a significantly more competitive price. [Nov '13 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) April 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]

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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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Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

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How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $177Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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