IntelBX80684I78700
IntelBX80671I76800K

6 Cores, 12 Threads @3.2GHz, Coffee Lake.
Release date: Q4 2017.

6 Cores, 12 Threads @3.4GHz, Broadwell-E.
Release date: Q2 2016.

Real World Speed
Performance profile from 399,763 user samples
349,567 User Benchmarks
Best Bench: 94% Base clock 3.2 GHz, turbo 4.3 GHz (avg)
Worst Bench: 75% Base clock 3.2 GHz, turbo 0.8 GHz (avg)
Poor: 75% Great: 94%
SPEED RANK: 161st / 1442
Gaming
Gaming 87%
Aircraft carrier
Desktop
Desktop 89%
Aircraft carrier
Workstation
Workstation 78%
Battleship
50,196 User Benchmarks
Best Bench: 90% Base clock 3.4 GHz, turbo 4.1 GHz (avg)
Worst Bench: 71% Base clock 3.4 GHz, turbo 1.2 GHz (avg)
Poor: 71% Great: 90%
SPEED RANK: 221st / 1442
Gaming
Gaming 81%
Aircraft carrier
Desktop
Desktop 82%
Aircraft carrier
Workstation
Workstation 71%
Battleship
Effective Speed
Effective CPU Speed
87 % Slightly faster effective speed.
+8%
80.9 %
Memory
Avg. Memory Latency
88.7 Pts +3% 86 Pts
1-Core
Avg. Single Core Speed
126 Pts Faster single-core speed.
+18%
107 Pts
2-Core
Avg. Dual Core Speed
245 Pts Faster dual-core speed.
+14%
214 Pts
4-Core
Avg. Quad Core Speed
459 Pts Faster quad-core speed.
+12%
408 Pts
8-Core
Avg. Octa Core Speed
748 Pts Faster octa-core speed.
+13%
660 Pts
Memory
OC Memory Latency
95.5 Pts +1% 94.9 Pts
1-Core
OC Single Core Speed
132 Pts Slightly faster OC single-core speed.
+6%
124 Pts
2-Core
OC Dual Core Speed
263 Pts Slightly faster OC dual-core speed.
+6%
248 Pts
4-Core
OC Quad Core Speed
518 Pts Slightly faster OC quad-core speed.
+7%
483 Pts
8-Core
OC Octa Core Speed
822 Pts Slightly faster OC octa-core speed.
+7%
770 Pts
Market Share
Based on 67,712,926 CPUs tested
Market Share
Market Share (trailing 30 days)
1.15 % Insanely higher market share.
+1,337%
0.08 %
Value
Value For Money
95.3 % 106 % Better value.
+12%
User Rating
UBM User Rating
71 % Slightly more popular.
+9%
65 %
Price
Price (score)
$200 $103 Much cheaper.
+48%
Age
Newest
78 Months More recent.
+17%
94 Months
TDP
Thermal Design Power (TDP)
65 Watts Much more energy efficient.
+54%
140 Watts
Cores
CPU Processing Cores
6 cores 6 cores
Threads
CPU Processing Threads
12 threads 12 threads
Lithography
Manufacturing process
14 nm 14 nm
Base Clock
Base Clock Speed
3.2 GHz 3.4 GHz Slightly faster base frequency.
+6%
Turbo Clock
Turbo Clock Speed
4.6 GHz Faster turbo frequency.
+21%
3.8 GHz
64-Core
OC Multi Core Speed
1043 Pts Slightly faster OC 64-core speed.
+9%
956 Pts
64-Core
Avg. Multi Core Speed
936 Pts Faster 64-core speed.
+13%
827 Pts
Series
CPU Architecture
Coffee Lake Broadwell-E
Socket
Motherboard Socket
FCLGA1151 LGA2011-V3
Graphics
Integrated Graphics
UHD 630 None
Launch Date
Launch Date
Q4'17 Q2'16
Cache
Cache
12 MB 15 MB
Max Turbo Frequency
Max Turbo Frequency
4.60 GHz 3.8 GHz
Max Memory Size
Max Memory Size (dependent on memory type)
64 GB 128 GB
Memory Types
Memory Types
DDR4-2666 DDR4 2400/2133
Memory Channels
Max # of Memory Channels
2 4
Processor Graphics
Processor Graphics ‡
Intel® UHD Graphics 630 None
vPro Tech
Intel® vPro™ Technology ‡
Yes No
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
Yes No
Max # of PCI Express Lanes
Max # of PCI Express Lanes
16 28

More specs » More specs »
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The high-end hex core, 12 thread i7-8700 is second in Intel’s line up of 8th generation Coffee Lake CPUs that witnesses an increase in the number of cores at each SKU, as well as further refinement on the 14nm architecture as seen in the 6th and 7th generations. The i7-8700 features a TDP of 65W, 12MB of L3 Cache and 16 PCIe lanes. Although the 8700 has a base clock of 3.2 GHz it has an all core boost of 4.3 GHz and a single core boost of 4.6 GHz. These are unusually high clocks for a non-K SKU, Intel have historically clocked their non-K SKUs around 10% lower than the flagship K variants but with Coffee Lake, the 8700 is almost a match for a stock 8700K. Priced at $320, the i7-8700 offers exceptional single, quad and multi-core processing power to the mainstream market but unfortunately a new 300 series chipset will also need to be factored into the purchase. AMD’s comparably priced Ryzen 7 1700X is an 8 core 16 thread processor which is around 20% faster at multi-threaded tasks, but has around 20% slower single and quad core performance so the choice between these two processors is use case dependant but generally favours Intel for most desktop users whose workloads are typically single or dual core bound.  [Oct '17 CPUPro]

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The Core i7-6800K is the weakest of four new 14 nm Broadwell-E prosumer CPUs. This model has six cores with base and turbo frequencies of 3.4 and 3.8 GHz, a TDP of 140 watts and 28 PCIe 3.0 lanes. The 6800K closely matches, and supersedes, the very popular Haswell-E 5820K. Because of its MSRP of around $500, this CPU only makes sense for niche use cases which include graphics design, video production or multi GPU gaming. Comparing the 6800K and 6700K shows that for typical desktop use, at stock clocks, the 6800K actually lags the 6700K by around 10%. This is because desktop computing largely depends on single core performance and the Skylake i7-6700K is both clocked higher (Base clock 4.0 GHz vs 3.4 GHz) and has higher IPC due to its one generation lead over the 6800K. If the 6800K proves to be a capable overclocker then it may challenge the 6700K on a range of core-heavy use cases, time will tell. [Jun '16 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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  • 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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