Intel Core i5-6400 vs Intel Core i7-965
Comparative analysis of Intel Core i5-6400 and Intel Core i7-965 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).
Differences
Reasons to consider the Intel Core i5-6400
- CPU is newer: launch date 6 year(s) 7 month(s) later
- Around 5% higher maximum core temperature: 71°C vs 67.9°C
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
- 2.7x more maximum memory size: 64 GB vs 24 GB
- 2x lower typical power consumption: 65 Watt vs 130 Watt
- Around 32% better performance in PassMark - Single thread mark: 1953 vs 1475
- Around 51% better performance in PassMark - CPU mark: 5171 vs 3424
- Around 44% better performance in Geekbench 4 - Single Core: 831 vs 578
- Around 20% better performance in Geekbench 4 - Multi-Core: 2685 vs 2233
| Specifications (specs) | |
| Launch date | July 2015 vs November 2008 |
| Maximum core temperature | 71°C vs 67.9°C |
| Manufacturing process technology | 14 nm vs 45 nm |
| Maximum memory size | 64 GB vs 24 GB |
| Thermal Design Power (TDP) | 65 Watt vs 130 Watt |
| Benchmarks | |
| PassMark - Single thread mark | 1953 vs 1475 |
| PassMark - CPU mark | 5171 vs 3424 |
| Geekbench 4 - Single Core | 831 vs 578 |
| Geekbench 4 - Multi-Core | 2685 vs 2233 |
Reasons to consider the Intel Core i7-965
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- 4 more threads: 8 vs 4
- Around 5% higher clock speed: 3.46 GHz vs 3.30 GHz
- Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later
| Unlocked | Unlocked vs Locked |
| Number of threads | 8 vs 4 |
| Maximum frequency | 3.46 GHz vs 3.30 GHz |
| L3 cache | 8192 KB (shared) vs 6144 KB (shared) |
Compare benchmarks
CPU 1: Intel Core i5-6400
CPU 2: Intel Core i7-965
| PassMark - Single thread mark |
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| PassMark - CPU mark |
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| Geekbench 4 - Single Core |
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| Geekbench 4 - Multi-Core |
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| Name | Intel Core i5-6400 | Intel Core i7-965 |
|---|---|---|
| PassMark - Single thread mark | 1953 | 1475 |
| PassMark - CPU mark | 5171 | 3424 |
| Geekbench 4 - Single Core | 831 | 578 |
| Geekbench 4 - Multi-Core | 2685 | 2233 |
| 3DMark Fire Strike - Physics Score | 2922 | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 3.265 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 69.471 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.41 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 2.013 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 5.356 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 1336 | |
| GFXBench 4.0 - Manhattan (Frames) | 2278 | |
| GFXBench 4.0 - T-Rex (Frames) | 4275 | |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 1336 | |
| GFXBench 4.0 - Manhattan (Fps) | 2278 | |
| GFXBench 4.0 - T-Rex (Fps) | 4275 |
Compare specifications (specs)
| Intel Core i5-6400 | Intel Core i7-965 | |
|---|---|---|
Essentials |
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| Architecture codename | Skylake | Bloomfield |
| Launch date | July 2015 | November 2008 |
| Launch price (MSRP) | $185 | $1,509 |
| Place in performance rating | 1672 | 2117 |
| Price now | $199 | $139.99 |
| Processor Number | i5-6400 | i7-965 |
| Series | 6th Generation Intel® Core™ i5 Processors | Legacy Intel® Core™ Processors |
| Status | Launched | Discontinued |
| Value for money (0-100) | 10.01 | 12.32 |
| Vertical segment | Desktop | Desktop |
Performance |
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| 64 bit support | ||
| Base frequency | 2.70 GHz | 3.20 GHz |
| Bus Speed | 8 GT/s DMI3 | 6.4 GT/s QPI |
| Die size | 177 mm | 263 mm2 |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 256 KB (per core) | 256 KB (per core) |
| L3 cache | 6144 KB (shared) | 8192 KB (shared) |
| Manufacturing process technology | 14 nm | 45 nm |
| Maximum case temperature (TCase) | 72 °C | |
| Maximum core temperature | 71°C | 67.9°C |
| Maximum frequency | 3.30 GHz | 3.46 GHz |
| Number of cores | 4 | 4 |
| Number of threads | 4 | 8 |
| Number of QPI Links | 1 | |
| Transistor count | 731 million | |
| Unlocked | ||
| VID voltage range | 0.800V-1.375V | |
Memory |
||
| Max memory channels | 2 | 3 |
| Maximum memory bandwidth | 34.1 GB/s | 25.6 GB/s |
| Maximum memory size | 64 GB | 24 GB |
| Supported memory types | DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V | DDR3 800/1066 |
Graphics |
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| Device ID | 0x1912 | |
| Graphics base frequency | 350 MHz | |
| Graphics max dynamic frequency | 950 MHz | |
| Graphics max frequency | 950 MHz | |
| Intel® Clear Video HD technology | ||
| Intel® Clear Video technology | ||
| Intel® InTru™ 3D technology | ||
| Intel® Quick Sync Video | ||
| Max video memory | 64 GB | |
| Processor graphics | Intel® HD Graphics 530 | |
Graphics interfaces |
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| DisplayPort | ||
| DVI | ||
| eDP | ||
| HDMI | ||
| Number of displays supported | 3 | |
| Wireless Display (WiDi) support | ||
Graphics image quality |
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| 4K resolution support | ||
| Max resolution over DisplayPort | 4096x2304@60Hz | |
| Max resolution over eDP | 4096x2304@60Hz | |
| Max resolution over HDMI 1.4 | 4096x2304@24Hz | |
| Max resolution over VGA | N / A | |
| Max resolution over WiDi | 1080p | |
Graphics API support |
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| DirectX | 12 | |
| OpenGL | 4.5 | |
Compatibility |
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| Low Halogen Options Available | ||
| Max number of CPUs in a configuration | 1 | 1 |
| Package Size | 37.5mm x 37.5mm | 42.5mm x 45.0mm |
| Sockets supported | FCLGA1151 | FCLGA1366 |
| Thermal Design Power (TDP) | 65 Watt | 130 Watt |
| Thermal Solution | PCG 2015C (65W) | |
Peripherals |
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| Max number of PCIe lanes | 16 | |
| PCI Express revision | 3.0 | |
| PCIe configurations | Up to 1x16, 2x8, 1x8+2x4 | |
| Scalability | 1S Only | |
Security & Reliability |
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| Execute Disable Bit (EDB) | ||
| Intel® Identity Protection technology | ||
| Intel® Memory Protection Extensions (Intel® MPX) | ||
| Intel® OS Guard | ||
| Intel® Secure Key technology | ||
| Intel® Software Guard Extensions (Intel® SGX) | ||
| Intel® Trusted Execution technology (TXT) | ||
| Secure Boot | ||
Advanced Technologies |
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| Enhanced Intel SpeedStep® technology | ||
| Idle States | ||
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® SSE4.2 |
| Intel 64 | ||
| Intel® Advanced Vector Extensions (AVX) | ||
| Intel® AES New Instructions | ||
| Intel® Hyper-Threading technology | ||
| Intel® Optane™ Memory Supported | ||
| Intel® Stable Image Platform Program (SIPP) | ||
| Intel® TSX-NI | ||
| Intel® Turbo Boost technology | ||
| Intel® vPro™ Platform Eligibility | ||
| Thermal Monitoring | ||
| Intel® Demand Based Switching | ||
| Physical Address Extensions (PAE) | 36-bit | |
Virtualization |
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| Intel® Virtualization Technology (VT-x) | ||
| Intel® Virtualization Technology for Directed I/O (VT-d) | ||
| Intel® VT-x with Extended Page Tables (EPT) | ||
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