Intel Celeron 420 | Intel Core i7-2820QM | |
CPU comparisonIntel Celeron 420 or Intel Core i7-2820QM - 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 Celeron 420 has 1 cores with 1 threads and clocks with a maximum frequency of 1.60 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Celeron 420 was released in Q2/2007. The Intel Core i7-2820QM has 4 cores with 8 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Core i7-2820QM was released in Q1/2011. |
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Intel Celeron (165) | Family | Intel Core i7 (298) |
Intel Celeron 400 (4) | CPU group | Intel Core i 2000M (46) |
1 | Generation | 2 |
Conroe (Core) | Architecture | Sandy Bridge H |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Celeron 420 is a 1 core processor with a clock frequency of 1.60 GHz. The Intel Core i7-2820QM has 4 CPU cores with a clock frequency of 2.30 GHz (3.40 GHz). |
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Intel Celeron 420 | Characteristic | Intel Core i7-2820QM |
1 | Cores | 4 |
1 | Threads | 8 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
1.60 GHz | Frequency | 2.30 GHz |
-- | Turbo Frequency (1 Core) | 3.40 GHz |
-- | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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no iGPU | GPU | Intel HD Graphics 3000 |
GPU frequency | 0.65 GHz | |
-- | GPU (Turbo) | 1.30 GHz |
-- | GPU Generation | 6 |
Technology | 32 nm | |
Max. displays | 2 | |
-- | Compute units | 12 |
-- | Shader | 96 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 2 GB |
-- | DirectX Version | 10.1 |
Hardware codec supportA photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos. |
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no iGPU | GPU | Intel HD Graphics 3000 |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | No |
Memory & PCIeThe Intel Celeron 420 supports a maximum of 16 GB of memory in 2 memory channels. The Intel Core i7-2820QM can connect up to 32 GB of memory in 2 memory channels. |
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Intel Celeron 420 | Characteristic | Intel Core i7-2820QM |
DDR3-1066, DDR2-800 | Memory | DDR3-1066, DDR3-1333, DDR3-1600 |
16 GB | Max. Memory | 32 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
17.1 GB/s | Max. Bandwidth | 25.6 GB/s |
No | ECC | No |
0.50 MB | L2 Cache | -- |
-- | L3 Cache | 8.00 MB |
-- | PCIe version | 2.0 |
-- | PCIe lanes | 16 |
-- | PCIe Bandwidth | 8.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Celeron 420 has a TDP of 35 W, that of the Intel Core i7-2820QM is 45 W. |
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Intel Celeron 420 | Characteristic | Intel Core i7-2820QM |
35 W | TDP (PL1 / PBP) | 45 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 100 °C |
Technical detailsThe Intel Celeron 420 has a 0.50 MB cache, while the Intel Core i7-2820QM cache has a total of 8.00 MB. |
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Intel Celeron 420 | Characteristic | Intel Core i7-2820QM |
65 nm | Technology | 32 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
MMX, SSE, SSE2, SSE3 | ISA extensions | SSE4.1, SSE4.2, AVX |
LGA 775 | Socket | PGA 988 |
None | Virtualization | VT-x, VT-x EPT |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q2/2007 | Release date | Q1/2011 |
-- | Release price | 570 $ |
show more data | show more data | |
Intel Celeron 420
1C 1T @ 1.60 GHz |
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Intel Core i7-2820QM
4C 8T @ 3.40 GHz |
Intel Celeron 420
1C 1T @ 1.60 GHz |
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Intel Core i7-2820QM
4C 8T @ 2.30 GHz |
Intel Celeron 420
1C 1T @ 1.60 GHz |
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Intel Core i7-2820QM
4C 8T @ 2.30 GHz |
Intel Celeron 420
1C 1T @ 1.60 GHz |
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Intel Core i7-2820QM
4C 8T @ 3.40 GHz |
Intel Celeron 420
1C 1T @ 1.60 GHz |
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Intel Core i7-2820QM
4C 8T @ 2.30 GHz |
Intel Celeron 420
1C 1T @ 1.60 GHz |
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Intel Core i7-2820QM
4C 8T @ 3.40 GHz |
Intel Celeron 420
1C 1T @ 1.60 GHz |
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Intel Core i7-2820QM
4C 8T @ 2.30 GHz |
Intel Celeron 420
@ 0.00 GHz |
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Intel Core i7-2820QM
Intel HD Graphics 3000 @ 1.30 GHz |
Intel Celeron 420
1C 1T @ 1.60 GHz |
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Intel Core i7-2820QM
4C 8T @ 2.30 GHz |
Devices using this processor |
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Intel Celeron 420 | Intel Core i7-2820QM |
Unknown | Unknown |