IntelBX80633I74960X
$1,189
IntelBX80684I99900K
 $1,189 

6 Cores, 12 Threads @3.6GHz, Ivy Bridge-E.
Release date: Q3 2013.

8 Cores, 16 Threads @3.6GHz, Coffee Lake.
Release date: Q4 2018.

Real World Speed
Performance profile from 359,344 user samples
5,121 User Benchmarks
Best Bench: 88% Base clock 3.6 GHz, turbo 4.4 GHz (avg)
Worst Bench: 70% Base clock 3.6 GHz, turbo 1.65 GHz (avg)
Poor: 70% Great: 88%
SPEED RANK: 257th / 1442
Gaming
Gaming 78%
Battleship
Desktop
Desktop 79%
Battleship
Workstation
Workstation 69%
Battle cruiser
354,223 User Benchmarks
Best Bench: 104% Base clock 3.6 GHz, turbo 5.2 GHz (avg)
Worst Bench: 89% Base clock 3.6 GHz, turbo 1.3 GHz (avg)
Poor: 89% Great: 104%
SPEED RANK: 90th / 1442
Gaming
Gaming 98%
Nuclear submarine
Desktop
Desktop 98%
Nuclear submarine
Workstation
Workstation 97%
Nuclear submarine
Effective Speed
Effective CPU Speed
78.4 % 97.9 % Faster effective speed.
+25%
Memory
Avg. Memory Latency
86.2 Pts 93.1 Pts Slightly lower memory latency.
+8%
1-Core
Avg. Single Core Speed
98 Pts 142 Pts Much faster single-core speed.
+45%
2-Core
Avg. Dual Core Speed
196 Pts 281 Pts Much faster dual-core speed.
+43%
4-Core
Avg. Quad Core Speed
381 Pts 551 Pts Much faster quad-core speed.
+45%
8-Core
Avg. Octa Core Speed
619 Pts 981 Pts Much faster octa-core speed.
+58%
Memory
OC Memory Latency
95.2 Pts 97.2 Pts +2%
1-Core
OC Single Core Speed
118 Pts 153 Pts Faster OC single-core speed.
+30%
2-Core
OC Dual Core Speed
231 Pts 305 Pts Much faster OC dual-core speed.
+32%
4-Core
OC Quad Core Speed
450 Pts 604 Pts Much faster OC quad-core speed.
+34%
8-Core
OC Octa Core Speed
728 Pts 1116 Pts Much faster OC octa-core speed.
+53%
Market Share
Based on 67,714,833 CPUs tested
Market Share
Market Share (trailing 30 days)
0.04 % 1.12 % Insanely higher market share.
+2,700%
Value
Value For Money
52.6 % 87.9 % Much better value.
+67%
User Rating
UBM User Rating
52 % 87 % Much more popular.
+67%
Price
Price (score)
$1,189 $412 Much cheaper.
+65%
Age
Newest
127 Months 66 Months Much more recent.
+48%
TDP
Thermal Design Power (TDP)
130 Watts 95 Watts More energy efficient.
+27%
Cores
CPU Processing Cores
6 cores 8 cores Much higher core count.
+33%
Threads
CPU Processing Threads
12 threads 16 threads Much higher thread count.
+33%
Lithography
Manufacturing process
22 nm 14 nm Much newer manufacturing.
+36%
Base Clock
Base Clock Speed
3.6 GHz 3.6 GHz
Turbo Clock
Turbo Clock Speed
4 GHz 5 GHz Faster turbo frequency.
+25%
64-Core
OC Multi Core Speed
905 Pts 1590 Pts Much faster OC 64-core speed.
+76%
64-Core
Avg. Multi Core Speed
776 Pts 1451 Pts Hugely faster 64-core speed.
+87%
Series
CPU Architecture
Ivy Bridge-E Coffee Lake
Socket
Motherboard Socket
FCLGA2011 FCLGA1151
Graphics
Integrated Graphics
None UHD 630
Launch Date
Launch Date
Q3'13 Q4'18
Cache
Cache
15 MB SmartCache 16 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
SSE4.2, AVX, AES Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Lithography
Lithography
22 nm 14 nm
Recommended Price
Recommended Customer Price
N/A $488.00 - $499.00
Max Turbo Frequency
Max Turbo Frequency
4 GHz 5.00 GHz
Bus Speed
Bus Speed
5 GT/s DMI2 8 GT/s DMI3
Memory Types
Memory Types
DDR3 1333/1600/1866 DDR4-2666
Memory Channels
Max # of Memory Channels
4 2
Memory Bandwidth
Max Memory Bandwidth
59.7 GB/s 41.6 GB/s
Package Size
Package Size
52.5mm x 45.0mm 37.5mm x 37.5mm
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
No Yes
Max # of PCI Express Lanes
Max # of PCI Express Lanes
40 16

More specs » More specs »
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The Core i7-4960X is Intel's top of the range desktop processor which sports six physical and twelve hyper-threaded cores. The 4960X was released in 2013 but it uses an FCLGA2011 socket which is supported only by the X79 chipset and is now three years old. As a result an investment in this processor forgoes the last three years worth of platform advances which include, amongst other things, on-board USB 3.0 and additional SATA 600 MB/s ports. Comparing the 4960X and the 4930K shows that when overclocked, the 4930K is able to best the extreme 4960X at nearly half the price! Finally comparing the latest Haswell 4770K to the 4960X shows that 4770K is again able to best the 4960X, this time at a small fraction of the price. The 4960X is significantly overpriced and there is far better value available elsewhere. [Mar '14 CPUPro]

MORE DETAILS

The Intel i9-9900K is an 8 core, 16 thread, unlocked 9th generation Coffee Lake processor. It has a base / boost clocks of 3.6 / 4.7 GHz and a single-core boost of 5.0 GHz (the highest frequency achieved yet from this class of Intel CPU). It features 16 MB of cache, a 95W TDP and Intel UHD 630 graphics. The 9900K is compatible with the new Z390 chipset, and subject to a BIOS update, is also compatible with the older Z370 chipset. Aimed at users who do not wish to compromise, the i9-9900K offers the best gaming and desktop experience available at any price. Heavy workstation users should consider the Ryzen 9 3900X which is similarly priced. Comparing the overclocked 3900X shows that it is just 10% worse for gaming and desktop (sub octa-core) but around 40% better for 64-core computations. Gamers should consider the 9700K which offers identical overclocked gaming performance at a $100 USD discount. [Oct '18 CPUPro]

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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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