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IntelBX80619I73960X
IntelBX80684I99900KF
▲ 53589 ▼

6 Cores, 12 Threads @3.3GHz, Sandy Bridge-E.
Release date: Q3 2011.

VS
▲ 55840 ▼

8 Cores, 16 Threads @3.60 GHz, 95 W.
Release date ≈ Q2 2019.

Effective Speed 
+26%
Real World Speed
Performance profile from 52,430 user samples
Benchmark your CPU here
2,165 User Benchmarks
Best Bench: 89% Base clock 3.3 GHz
Worst Bench: 66% Base clock 3.3 GHz, turbo 0.85 GHz (avg)
Poor: 66% Great: 89%
SPEED RANK: 278th / 1451
Gaming
Gaming 78%
Battleship
Desktop
Desktop 79%
Battleship
Workstation
Workstation 67%
Battle cruiser
50,265 User Benchmarks
Best Bench: 104% Base clock 3.6 GHz, turbo 5 GHz (avg)
Worst Bench: 90% Base clock 3.6 GHz, turbo 0.8 GHz (avg)
Poor: 90% Great: 104%
SPEED RANK: 97th / 1451
Gaming
Gaming 98%
Nuclear submarine
Desktop
Desktop 98%
Nuclear submarine
Workstation
Workstation 97%
Nuclear submarine
Effective Speed
Effective CPU Speed 		77.7 % 97.8 % Faster effective speed.
+26%
Average Score 
+43%
Memory
Avg. Memory Latency 		87.1 Pts 93.1 Pts Slightly lower memory latency.
+7%
1-Core
Avg. Single Core Speed 		96.7 Pts 142 Pts Much faster single-core speed.
+47%
2-Core
Avg. Dual Core Speed 		192 Pts 282 Pts Much faster dual-core speed.
+47%
4-Core
Avg. Quad Core Speed 		369 Pts 550 Pts Much faster quad-core speed.
+49%
8-Core
Avg. Octa Core Speed 		585 Pts 981 Pts Much faster octa-core speed.
+68%
Overclocked Score 
+30%
Memory
OC Memory Latency 		95.3 Pts 97.4 Pts +2%
1-Core
OC Single Core Speed 		118 Pts 153 Pts Faster OC single-core speed.
+30%
2-Core
OC Dual Core Speed 		233 Pts 305 Pts Much faster OC dual-core speed.
+31%
4-Core
OC Quad Core Speed 		457 Pts 605 Pts Much faster OC quad-core speed.
+32%
8-Core
OC Octa Core Speed 		715 Pts 1114 Pts Much faster OC octa-core speed.
+56%
Value & Sentiment 
+∞%
Market Share
Based on 68,069,863 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0.36 % Insanely higher market share.
+∞%
Value
Value For Money 		78.7 % 98.7 % Better value.
+25%
User Rating
UBM User Rating 		53 % 55 % +4%
Price
Price (score) 		$265 +1% $269
Nice To Haves 
+80%
Age
Newest 		153 Months 62+ Months Much more recent.
+59%
64-Core
OC Multi Core Speed 		888 Pts 1594 Pts Much faster OC 64-core speed.
+80%
64-Core
Avg. Multi Core Speed 		728 Pts 1457 Pts Hugely faster 64-core speed.
+100%
Specifications 
Launch Date
Launch Date 		Q4'11 Q1'19
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 		32 nm 14 nm
Max Turbo Frequency
Max Turbo Frequency 		3.9 GHz 5.00 GHz
Bus Speed
Bus Speed 		5 GT/s DMI2 8 GT/s DMI3
Description
Description 		This product includes VT-d support only on the C2 stepping. Stepping information can be viewed via the menu on the left. “engineering new protections into hardware”
Max Memory Size
Max Memory Size (dependent on memory type) 		64 GB 128 GB
Memory Types
Memory Types 		DDR3 1066/1333/1600 DDR4-2666
Memory Channels
Max # of Memory Channels 		4 2
Memory Bandwidth
Max Memory Bandwidth 		51.2 GB/s 41.6 GB/s
Package Size
Package Size 		52.5mm x 45.0mm 37.5mm x 37.5mm
PCI Express Revision
PCI Express Revision 		2.0 3.0
Max # of PCI Express Lanes
Max # of PCI Express Lanes 		40 16

More specs » More specs »
Conclusion 
Average Bench 77.7%
Average Bench 97.8%
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The fact that the near three year old Intel i7-3960X still tops the speed charts reflects just how little competition there is in the CPU market. Intel have dominated for so long that there is simply no economic incentive to push the speed boundaries at anywhere nearly the pace of improvement we saw in previous years. The i7-3960X has 6 cores and 12 threads which is two cores more than the vast majority of Intel's other top end processors. The extra two cores explain why the 3960X still performs so well compared to the majority of the 3960X's newer siblings. This processor will offer little more than a far cheaper i3 to regular desktop users but for server orientated workloads it is still one of the best processors available. [Mar '14 CPUPro]

MORE DETAILS

The iGPU-less i9-9900K. Comes with nearly same specs as original i9-9900K but without iGPU could be a better overclocker than the original ones and enthusiast gamers probably don't need iGPU when they have high end discrete GPU. [Dec '19 ColdSpy]

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