We compared two 6-core desktop CPUs: the 3.2 GHz Intel Core i7 8700 against the 2.8 GHz i5 8400. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information. ReviewGeneral overview and comparison of the processors Single-Core Performance Performance in single-threaded apps and benchmarks Multi-Core Performance Measure performance when all cores are involved Power Efficiency The efficiency score of power consumption Integrated Graphics iGPU capabilities for gaming and 3D-intensive tasks NanoReview Final Score Generic CPU rating The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score when comparing desktop CPUs. Key DifferencesWhat are the key differences between 8400 and 8700 Advantages of Intel Core i7 8700
Test in BenchmarksComparing the performance of CPUs across various tasks Cinebench R23Reputable cross-platform benchmark for high-performance processors Cinebench R23 (Single-Core) Cinebench R23 (Multi-Core) Submit your Cinebench result PassMarkSynthetic test that focuses on raw computational performance for low-level functions Passmark CPU (Single-Core) Passmark CPU (Multi-Core) Integer math 44.9 GOps/sec 25.7 GOps/sec Floating point math 27.9 GOps/sec 22.1 GOps/sec Find prime numbers 35M Primes/sec 37M Primes/sec Random string sorting 24.4M Strings/sec 16.3M Strings/sec Data encryption 4.6 GBytes/sec 2.8 GBytes/sec Data compression 189.7 MBytes/sec 131.1 MBytes/sec Physics 737 Frames/sec 634 Frames/sec Extended instructions 12.5B Matrices/sec 11.6B Matrices/sec Sources: PassMark [3], [4] Value for moneyEnter the current prices of the CPUs and click "Calculate" to determine which one has a better value-to-performance ratio. Socket Intel Socket 1151 Intel Socket 1151 Nhà sản xuất Intel Intel kích thước tiến trình 14 nm 14 nm Bóng bán dẫn unknown unknown Kích thước chết unknown 154 mm² Gói FC-LGA1151 FC-LGA1151 tCaseMax 72°C 72°C Hiệu năngTần số 2.8 GHz 3.2 GHz Ép xung up to 4 GHz up to 4.6 GHz Xung nhịp cơ bản 100 MHz 100 MHz Hệ số nhân 28.0x 32.0x Mở khoá hệ số nhân No No Công suất thiết kế 65 W 65 W Kiến trúcPhân khúc Desktop Desktop Tình trạng sản xuất Active Active Ngày phát hành Oct 5th, 2017 Jan 1st, 2018 Tên mã Coffee Lake Coffee Lake Thế hệ Core i5 Core i7 Phần SLAPL SR3QS Bộ nhớ hỗ trợ DDR4-2666 MHz Dual-channel DDR4-2666 MHz Dual-channel Bộ nhớ ECC No No PCI Express Gen 3, 16 Lanes(CPU only) Gen 3, 16 Lanes(CPU only) LõiSố lõi 6 6 Số luồng 6 12 SMP # CPUs 1 1 Đồ hoạ tích hợp — — Bộ nhớ đệm L1 64K (per core) 64K (per core) Bộ nhớ đệm L2 256K (per core) 256K (per core) Bộ nhớ đệm L3 9MB (shared) 12MB (shared) Tính năngAES-NI Yes Yes AVX Yes Yes AVX2 Yes Yes BMI1 Yes Yes BMI2 Yes Yes Boost 2.0 Yes Yes CLMUL Yes Yes EIST Yes Yes F16C Yes Yes FMA3 Yes Yes HTT — Yes Intel 64 Yes Yes MMX Yes Yes SSE Yes Yes SSE2 Yes Yes SSE3 Yes Yes SSE4.2 Yes Yes SSSE3 Yes Yes TSX Yes Yes TXT Yes Yes VT-d Yes Yes VT-x Yes Yes XD bit Yes Yes |
