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Intel Core i7-2640M vs Intel Celeron N2840
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
Geekbench 6 Single-Core
Single-core performance
Intel Core i7-2640M
100 %
2C / 4T · 3.50 GHz
Intel Celeron N2840
34 %
2C / 2T · 2.58 GHz
Geekbench 6 Multi-Core
Multi-core performance
Intel Core i7-2640M
100 %
2C / 4T · 2.80 GHz
Intel Celeron N2840
28 %
2C / 2T · 2.58 GHz
Geekbench 5, 64bit Single-Core
Single-core performance
Intel Core i7-2640M
100 %
2C / 4T · 3.50 GHz
Intel Celeron N2840
38 %
2C / 2T · 2.58 GHz
Geekbench 5, 64bit Multi-Core
Multi-core performance
Intel Core i7-2640M
100 %
2C / 4T · 2.80 GHz
Intel Celeron N2840
32 %
2C / 2T · 2.58 GHz
iGPU - FP32 Performance (Single-precision GFLOPS)
Intel Core i7-2640M
100 %
Intel HD Graphics 3000
Intel Celeron N2840
20 %
Intel HD Graphics (Bay Trail GT1)
CPU-Z Benchmark 17 Multi-Core
Multi-core performance
Intel Core i7-2640M
100 %
2C / 4T · 2.80 GHz
Intel Celeron N2840
24 %
2C / 2T · 2.16 GHz
More benchmarks
Geekbench 6 (SC)
1,989 entries
1,989 entries
Geekbench 6 (MC)
1,927 entries
1,927 entries
Geekbench 5 (SC)
2,512 entries
2,512 entries
Geekbench 5 (MC)
2,483 entries
2,483 entries
FP32 SP (iGPU)
2,219 entries
2,219 entries
PassMark CPU-Mark
2,504 entries
2,504 entries
CPU-Z Benchmark 17 (MC)
751 entries
751 entries
Cinebench R15 (SC)
1,113 entries
1,113 entries
Cinebench R15 (MC)
1,110 entries
1,110 entries
Geekbench 3 (SC)
945 entries
945 entries
Geekbench 3 (MC)
941 entries
941 entries
Cinebench R11.5 (SC)
826 entries
826 entries
Cinebench R11.5 (MC)
837 entries
837 entries
Cinebench R11.5 iGPU
383 entries
383 entries
Specifications
At a glance
|
Wischen
|
Intel Core i7-2640M | Intel Celeron N2840 |
|---|---|---|
| Family | Intel Core i7 (300) | Intel Celeron (165) |
| CPU group | Intel Core i 2000M (46) | Intel Celeron J1000/N2000 (17) |
| Architecture | Sandy Bridge H | Bay Trail |
| Technology | 32 nm | 22 nm |
| Segment | Notebook | Notebook |
| Socket | BGA 1023 | BGA 1170 |
| Predecessor | ||
| Successor |
CPU Cores and Base Frequency
|
Wischen
|
Intel Core i7-2640M | Intel Celeron N2840 |
|---|---|---|
| CPU Cores / Threads | 2 / 4 | 2 / 2 |
| Hyperthreading / SMT | ✓ | ✗ |
| Core architecture | normal | normal |
| Cores: | 2x | 2x |
| Frequency: | 2.80 GHz | 2.16 GHz |
| Turbo (1 Core): | 3.50 GHz | 2.58 GHz |
| Turbo (All Cores): | 2.58 GHz | |
| L2-Cache | ||
| L3-Cache | 4.00 MB | 1.00 MB |
| Overclocking | ✗ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Intel Core i7-2640M | Intel Celeron N2840 |
|---|---|---|
| GPU name | Intel HD Graphics 3000 | Intel HD Graphics (Bay Trail GT1) |
| GPU frequency | 0.65 - 1.30 GHz | 0.31 - 0.79 GHz |
| CUs / Shader | 12 / 96 | 4 / 32 |
| Raytracing | ✗ | ✗ |
| Max. displays | 2 | 2 |
| Max. GPU Memory | 2 GB | 2 GB |
| Technology | 32 nm | 22 nm |
| Release date | Q1/2011 | Q3/2013 |
NPU AI performance
|
Wischen
|
Intel Core i7-2640M | Intel Celeron N2840 |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Intel Core i7-2640M | Intel Celeron N2840 |
|---|---|---|
| Memory | DDR3-1333 (21.3 GB/s) DDR3-1066 (17.1 GB/s) | DDR3-1333 (21.3 GB/s) |
| Max. Memory | 16 GB | 8 GB |
| Memory channels | 2 | 2 |
| ECC | No | No |
| PCIe | 2.0 x 16 | 2.0 x 4 |
| PCIe Bandwidth | 8.0 GB/s | 2.0 GB/s |
Thermal Management
|
Wischen
|
Intel Core i7-2640M | Intel Celeron N2840 |
|---|---|---|
| TDP | 35 W | 7.5 W |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | 4.5 W | |
| T. junction max. | 100 °C | 100 °C |
Technical details
|
Wischen
|
Intel Core i7-2640M | Intel Celeron N2840 |
|---|---|---|
| Chip design | Monolithic | Monolithic |
| AES-NI | ✓ | ✗ |
| Operating systems | Windows 10, Linux | Windows 10, Linux |
| Instruction set | x86-64 (64 bit) | x86-64 (64 bit) |
| ISA extensions | SSE4.1, SSE4.2, AVX | SSE4.1, SSE4.2 |
| Release date | Q4/2011 | Q2/2014 |
| Release price | 280 $ | 107 $ |
| Documents | Technical data sheet | Technical data sheet |
User Reviews
Your rating
Here you can rate one or both of the processors. The average rating of Intel Core i7-2640M is 4.7 stars (13 ratings), while Intel Celeron N2840 has received 1.9 stars (38 ratings).
Click on the stars to rate one or both processors.
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Intel Celeron N2840
2C / 2T · 2.58 GHz
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