Intel Atom S1240 | Intel Core2 Duo E6420 | |
CPU comparisonIntel Atom S1240 or Intel Core2 Duo E6420 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The Intel Atom S1240 has 2 cores with 4 threads and clocks with a maximum frequency of 1.60 GHz. Up to 8 GB of memory is supported in 1 memory channels. The Intel Atom S1240 was released in Q4/2012. The Intel Core2 Duo E6420 has 2 cores with 2 threads and clocks with a maximum frequency of 2.13 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core2 Duo E6420 was released in Q2/2007. |
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Intel Atom (108) | Family | Intel Core2 Duo (29) |
Intel Atom S1000 (3) | CPU group | Intel Core 2 Duo E4000/E6000 (15) |
2 | Generation | 1 |
Centerton | Architecture | Conroe (Core) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom S1240 has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Atom S1240 is 1.60 GHz while the Intel Core2 Duo E6420 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Core2 Duo E6420 is at 2.13 GHz. |
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Intel Atom S1240 | Characteristic | Intel Core2 Duo E6420 |
2 | Cores | 2 |
4 | Threads | 2 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | Yes |
1.60 GHz | Frequency | 2.13 GHz |
-- | Turbo Frequency (1 Core) | -- |
-- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe Intel Atom S1240 can use up to 8 GB of memory in 1 memory channels. The maximum memory bandwidth is 10.6 GB/s. The Intel Core2 Duo E6420 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s. |
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Intel Atom S1240 | Characteristic | Intel Core2 Duo E6420 |
DDR3-1333 | Memory | DDR3-1333, DDR2-1066 |
8 GB | Max. Memory | 16 GB |
1 (Single Channel) | Memory channels | 2 (Dual Channel) |
10.6 GB/s | Max. Bandwidth | 21.3 GB/s |
Yes | ECC | No |
-- | L2 Cache | 4.00 MB |
1.00 MB | L3 Cache | -- |
2.0 | PCIe version | -- |
8 | PCIe lanes | -- |
4.0 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Atom S1240 is 6.1 W, while the Intel Core2 Duo E6420 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Atom S1240 | Characteristic | Intel Core2 Duo E6420 |
6.1 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Atom S1240 is manufactured in 32 nm and has 1.00 MB cache. The Intel Core2 Duo E6420 is manufactured in 65 nm and has a 4.00 MB cache. |
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Intel Atom S1240 | Characteristic | Intel Core2 Duo E6420 |
32 nm | Technology | 65 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3 | ISA extensions | MMX, SSE, SSE2, SSE3 |
BGA 1283 | Socket | LGA 775 |
VT-x | Virtualization | VT-x |
No | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q4/2012 | Release date | Q2/2007 |
39 $ | Release price | -- |
show more data | show more data | |
Intel Atom S1240
2C 4T @ 1.60 GHz |
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Intel Core2 Duo E6420
2C 2T @ 2.13 GHz |
Intel Atom S1240
2C 4T @ 1.60 GHz |
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Intel Core2 Duo E6420
2C 2T @ 2.13 GHz |
Intel Atom S1240
2C 4T @ 1.60 GHz |
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Intel Core2 Duo E6420
2C 2T @ 2.13 GHz |
Devices using this processor |
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Intel Atom S1240 | Intel Core2 Duo E6420 |
Unknown | Unknown |