Intel Kaby Lake-X Core i7-7740X Review: Better Than 7700K?

👤by David Mitchelson Comments 📅19-06-17
Test Setup & Testing

For the purpose of testing the Intel Core i7-7740X we used the AORUS X299-GAMING 3 since this motherboard gave us the best overclock for this chip out of all the Intel X299 motherboards we tested.

CPU being tested
Intel Core i7-7740X (4.5GHz) Kaby Lake-X

TEST SETUP

Cooling NZXT Kraken X52
Motherboard AORUS X299-GAMING 3
Memory 32GB Corsair Vengeance LPX 3000MHz
Graphics Radeon RX 480 8GB
Storage Kingston HyperX 240GB
PSU Corsair RM 1000 80 Plus Gold Certified PSU
Monitor AOC U2879VF
Capture Device Epiphan AV.iO 4K

COMPARED AGAINST

AMD Ryzen 5 1400 (3.2GHz) Summit Ridge
AMD Ryzen 5 1600 (3.2GHz) Summit Ridge
AMD Ryzen 7 1700 (3.0GHz) Summit Ridge
AMD Ryzen 7 1700X (3.4GHz) Summit Ridge
AMD Ryzen 7 1800X 3.6GHz) Summit Ridge
AMD FX-8350 (4.0GHz) PileDriver
Intel Core i5-7700K (4.2GHz) Kaby Lake
Intel Core i5-7600K (3.8GHz) Kaby Lake
Intel Core i7-6950X (3.0GHz) Broadwell-E
Intel Core 7-6900K (3.2GHz) Broadwell-E
Intel Core i7-5960X (3.0GHz) Haswell-E
Intel Core i7-6700K (4GHz) Skylake

BENCHMARKS

Cinebench R15 – CPU/OpenGL Score
x264 HD 4.0 – 1st and 2nd pass encoding
SiSoftware SANDRA – CPU & Memory benchmarks
POV-RAY – CPU benchmarks
TrueCrypt – CPU benchmarks
AIDA64 – CPU benchmarks & Memory
PCMark 8 – Home Suite & Photoshop
3DMark FireStrike – 3D Benchmark
Games – Rise of the Tomb Raider & Total War: WARHAMMER

OTHER SOFTWARE

Temperature Analysis: RealTemp
Stress Testing Software: AIDA64 Stability Test
CPU Specification Monitoring: CPU-Z
Performance Monitoring: MSI Afterburner

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