Test Methodology
Intel Core i7-8700K and Core i5-8400 Specifications |
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Intel Core Processor Configurations |
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|---|---|---|---|---|---|---|---|---|---|---|---|
| CPU | Core i9-7980XE |
Core i9-7900X |
Core i7-7820X |
Core i7-6950X |
Core i7-6900K |
Core i7-8700K |
Core i5-8400 |
Core i7-7700K |
Core i5-7600K |
Core i3-7350K |
|
| CPU Base Clock | 2.6GHz |
3.3GHz |
3.6GHz |
3.0GHz |
3.2GHz |
3.7GHz |
2.8GHz |
4.2GHz |
3.8GHz |
4.2GHz |
|
| CPU Turbo Clock | 4.4GHz |
4.5GHz |
4.5GHz |
3.5GHz |
3.7GHz |
4.7GHz |
4.0GHz |
4.5GHz |
4.2GHz |
- |
|
| CPU Cache | 24.75MB |
13.75MB |
11MB |
25MB |
20MB |
12MB |
9MB |
6MB |
4MB |
3MB |
|
| CPU Cores / Threads | 18 / 36 |
10 / 20 |
8 / 16 |
10 / 20 |
8 / 16 |
6 / 12 |
6 / 6 |
4 / 8 |
4 / 4 |
2 / 4 |
|
| CPU TDP | 165W |
140W |
140W |
140W |
140W |
95W |
65W |
91W |
60W |
51W |
|
| Integrated Graphics | - |
- |
- |
- |
- |
UHD 630 |
UHD 630 |
HD 630 |
HD 630 |
HD 630 |
|
| IGP Base Clock | - |
- |
- |
- |
- |
350MHz |
350MHz |
350MHz |
350MHz |
350MHz |
|
| IGP Turbo Clock | - |
- |
- |
- |
- |
1,200MHz |
1,050MHz |
1,150MHz |
1,150MHz |
1,100MHz |
|
| Socket | LGA 2066 |
LGA 2011v3 |
LGA 1151 |
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| Lithography | 14nm |
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| Motherboard | Asus Prime X299-A |
Asus X99 Strix Gaming |
Asus Z370-F Gaming |
Asus Z270-E Gaming |
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| BIOS | 0802 |
0501 |
1401 |
0410 |
0801 |
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| Memory | Corsair Dominator 32GB DDR4 |
Corsair Vengeance 32GB DDR4 |
Crucial Ballistix 32GB DDR4 |
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| Memory Config | 4x8GB |
4x8GB |
2x16GB |
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| Memory Timings | 14-16-16-36-2T |
15-15-15-36-1T |
16-16-16-38-2T |
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| Memory Speed | 2,666MHz |
2,400MHz |
2,666MHz |
2,400MHz |
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| Disk Drive | SK hynix Canvas SC300 (512GB) |
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| Power Supply | be quiet Dark Power Pro 11 (1,000W) |
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| Graphics Card | EVGA GeForce GTX 1080 FTW (378.66) |
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| CPU Cooler | Noctua NH-D15S |
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| Operating System | Microsoft Windows 10 (64-bit) |
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AMD Ryzen Processor Configurations |
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|---|---|---|---|---|---|---|---|---|---|
| CPU | Ryzen 7 1800X |
Ryzen 7 1700X |
Ryzen 7 1700 |
Ryzen 5 1600X |
Ryzen 5 1600 |
Ryzen 5 1500X |
Ryzen 5 1400 |
Ryzen 3 1300X |
|
| CPU Base Clock | 3.6GHz |
3.4GHz |
3.0GHz |
3.6GHz |
3.2GHz |
3.5GHz |
3.2GHz |
3.5GHz |
|
| CPU Turbo Clock | 4.0GHz |
3.8GHz |
3.7GHz |
4.0GHz |
3.6GHz |
3.7GHz |
3.4GHz |
3.7GHz |
|
| CPU L3 Cache | 16MB |
16MB |
16MB |
16MB |
16MB |
16MB |
8MB |
8MB |
|
| CPU Cores / Threads | 8 / 16 |
8 / 16 |
8 / 16 |
6 / 12 |
6 / 12 |
4 / 8 |
4 / 8 |
4 / 4 |
|
| CPU TDP | 95W |
95W |
65W |
95W |
65W |
65W |
65W |
65W |
|
| Integrated Graphics | - |
- |
- |
- |
- |
- |
- |
- |
|
| IGP Base Clock | - |
- |
- |
- |
- |
- |
- |
- |
|
| IGP Turbo Clock | - |
- |
- |
- |
- |
- |
- |
- |
|
| Socket | AM4 |
AM4 |
AM4 |
AM4 |
AM4 |
AM4 |
AM4 |
AM4 |
|
| Lithography | 14nm |
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| Motherboard | Asus Crosshair VI Hero |
Gigabyte AB350-Gaming 3 |
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| BIOS | 5704 (1002 for Ryzen 5) |
F7 |
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| Memory | Corsair Vengeance 32GB DDR4 |
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| Memory Config | 4x8GB |
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| Memory Timings | 16-17-17-36-1T |
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| Memory Speed | 2,666MHz |
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| Disk Drive | SK hynix Canvas SC300 (512GB) |
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| Power Supply | be quiet Dark Power Pro 11 (1,000W) |
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| Graphics Card | EVGA GeForce GTX 1080 FTW (378.66) |
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| CPU Cooler | Noctua NH-D15S |
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| Operating System | Microsoft Windows 10 (64-bit) |
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AMD Ryzen Threadripper Processor Configurations |
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|---|---|---|---|---|---|---|---|---|---|---|
| CPU | Threadripper 1950X |
Threadripper 1920X |
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| CPU Base Clock | 3.4GHz |
3.5GHz |
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| CPU Turbo Clock | 4.0GHz |
4.0GHz |
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| CPU L3 Cache | 32MB |
32MB |
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| CPU Cores / Threads | 16 / 32 |
12 / 24 |
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| CPU TDP | 180W |
180W |
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| Integrated Graphics | - |
- |
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| IGP Base Clock | - |
- |
||||||||
| IGP Turbo Clock | - |
- |
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| Socket | TR4 |
TR4 |
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| Lithography | 14nm |
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| Motherboard | Asus X399 Zenith Extreme |
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| BIOS | 9960 |
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| Memory | G.Skill Trident Z RGB 32GB DDR4 |
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| Memory Config | 4x8GB |
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| Memory Timings | 16-17-17-36-1T |
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| Memory Speed | 3,200MHz |
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| Disk Drive | Samsung 960 Pro (512GB) |
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| Power Supply | be quiet Dark Power Pro 11 (1,000W) |
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| Graphics Card | EVGA GeForce GTX 1080 FTW (378.66) |
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| CPU Cooler | Thermaltake Riing 360 AIO |
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| Operating System | Microsoft Windows 10 (64-bit) |
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Benchmark Suite |
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| CPU Benchmarks | ||||||||||||
| HEXUS PiFast | Our number-crunching benchmark stresses a single core by calculating Pi to 10m places | |||||||||||
| Cinebench | Using Cinebench's multi-CPU render, this cross-platform benchmark stresses all cores | |||||||||||
| HandBrake | Free-to-use video encoder that stresses all CPU cores (64-bit) | |||||||||||
| Memory Benchmarks | ||||||||||||
| AIDA64 | Benchmark that analyses memory bandwidth and latency | |||||||||||
| Gaming Benchmarks (GeForce GTX 1080) | ||||||||||||
| 3DMark Time Spy | Graphics benchmark run using the Fire Strike Extreme and Time Spy tests | |||||||||||
| VRMark | Virtual reality benchmark run using the Orange Room test | |||||||||||
| Deus Ex: Mankind Divided | 2,560x1,440, ultra settings | |||||||||||
| Hitman | 2,560x1,440, ultra settings | |||||||||||
| Miscellaneous Benchmarks | ||||||||||||
| Power Consumption | To emulate real-world usage scenarios, we record system-wide mains power draw when idle, when encoding video via HandBrake and while playing Deus Ex: Mankind Divided | |||||||||||
Notes
Intel supplied HEXUS with the Core i7-8700K and Core i5-8400 processors for technical evaluation. As you know, the K suffix denotes the processor is unlocked, whereas the Core i5-8400 is locked with respect to the multiplier. Still, at $183, it costs about the same as a Core i3-7350K but has six cores instead of two.
In terms of price, the comparisons to look out for, with respect to AMD, is the Ryzen 7 1700 (8C/16T, $329) against the Core i7-8700K (6C/12T, $353) and Ryzen 5 1500X (4C/8T, $182) against the Core i5-8400 (6C/6T, $182).