Processor comparison
Intel Core i7-2820QM vs Intel Core i5-6400
Intel
Intel Core i7-2820QM
Intel BGA1224
2300 MHz
4 cores
Jan 2011
MOBILE
VS
Intel
Intel Core i5-6400
Intel Socket 1151
2700 MHz
4 cores
Jul 2015
DESKTOP
Summary
Synthetic performance index
- Intel Core i7-2820QM100%
- Intel Core i5-6400117%
Relative performance
Single thread performance index
- Intel Core i7-2820QM100%
- Intel Core i5-6400126%
Relative performance
Multi thread performance index
- Intel Core i7-2820QM100%
- Intel Core i5-6400108%
Relative performance
Reasons to consider the Intel Core i7-2820QM
- Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i5-6400.
Reasons to consider the Intel Core i5-6400
- Much higher single threaded performance (around 26% higher), makes a noticeable performance difference in gaming and the majority of applications.
- 8% higher multi threaded performance.
- This is a newer product, it might have better application compatibility/performance (check features chart below).
- Around 17% higher average synthetic performance.
Gaming
HWSpot recommends the Intel Core i5-6400
Based on game and synthetic benchmarks, and theoretical specifications.
Productivity
No clear winner declared
Specifications
Features
| Intel Core i7-2820QM | Intel Core i5-6400 |
|---|
| MMX | | |
| SSE | | |
| SSE2 | | |
| SSE3 | | |
| SSSE3 | | |
| SSE4.2 | | |
| AVX | | |
| EIST | | |
| Intel 64 | | |
| XD bit | | |
| TXT | | |
| VT-x | | |
| VT-d | | |
| Hyper-Threading | | |
| AES-NI | | |
| AVX2 | | |
| TSX | | |
| CLMUL | | |
| FMA3 | | |
| F16C | | |
| BMI1 | | |
| BMI2 | | |
| vPro | | |
| Boost 2.0 | | |
Architecture
| Intel Core i7-2820QM | Intel Core i5-6400 |
|---|
| Architecture | Intel_SandyBridge | Intel_Skylake |
| Market | Mobile | Desktop |
| Memory Support | unknown | DDR4 |
| Codename | Sandy Bridge | Skylake |
| Release Date | Jan 2011 | Jul 2015 |
Cores
| Intel Core i7-2820QM | Intel Core i5-6400 |
|---|
| Cores | 4 | 4 |
| Threads | 8 | 4 |
| SMPs | 1 | 1 |
| Integrated Graphics | Intel HD 3000 | No |
Cache
| Intel Core i7-2820QM | Intel Core i5-6400 |
|---|
| L1 Cache | 64 KB (per core) | 64 KB (per core) |
| L2 Cache | 256 KB (per core) | 256 KB (per core) |
| L3 Cache | 8192 KB (shared) | 6144 KB (shared) |
Physical
| Intel Core i7-2820QM | Intel Core i5-6400 |
|---|
| Socket | Intel BGA1224 | Intel Socket 1151 |
| Max Case Temp | unknown | 72°C |
| Package | BGA2 | FC-LGA12C |
| Die Size | 216mm² | 177mm² |
| Process | 32 nm | 14 nm |
Performance
| Intel Core i7-2820QM | Intel Core i5-6400 |
|---|
| Cpu Frequency | 2300 MHz | 2700 MHz |
| Turbo Clock | 3400 MHz | 3300 MHz |
| Base Clock | 100 MHz | 100 MHz |
| Voltage | unknown | unknown |
| TDP | 45 W | 65 W |
Raw performance index
Raw single-thread performance estimation
- Intel Core i7-2820QM3400 points
- Intel Core i5-64003795 points
Points - higher is better
Raw multi-thread performance estimation
- Intel Core i7-2820QM11040 points
- Intel Core i5-640012420 points
Points - higher is better
Synthetic benchmarks
GeekBench 3 (32-bit Multi Core)
- Intel Core i7-2820QM8870
- Intel Core i5-640010168
points - higher is better
GeekBench 3 (64-bit Single Core)
- Intel Core i7-2820QM2764
- Intel Core i5-64003324
points - higher is better
GeekBench 3 (64-bit Multi Core)
- Intel Core i7-2820QM10158
- Intel Core i5-640010338
points - higher is better
GeekBench 3 (32-bit Single Core)
- Intel Core i7-2820QM2458
- Intel Core i5-64003252
points - higher is better