AMD Phenom II X2 521 | Intel Celeron 6305 | |
CPU comparisonIn this CPU comparison, we compare the AMD Phenom II X2 521 and the Intel Celeron 6305 and use benchmarks to check which processor is faster.
We compare the AMD Phenom II X2 521 2 core processor released in Q2/2011 with the Intel Celeron 6305 which has 2 CPU cores and was introduced in Q4/2020. |
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AMD Phenom II (52) | Family | Intel Celeron (165) |
AMD Phenom II - 500 (2) | CPU group | Intel Celeron 6000 (2) |
1 | Generation | 11 |
Regor (K10) | Architecture | Tiger Lake U |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | Intel Celeron 7305 |
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CPU Cores and Base FrequencyThe AMD Phenom II X2 521 is a 2 core processor with a clock frequency of 3.50 GHz. The processor can compute 2 threads at the same time. The Intel Celeron 6305 clocks with 1.80 GHz (1.80 GHz), has 2 CPU cores and can calculate 2 threads in parallel. |
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AMD Phenom II X2 521 | Characteristic | Intel Celeron 6305 |
2 | Cores | 2 |
2 | Threads | 2 |
normal | Core architecture | normal |
No | Hyperthreading | No |
Yes | Overclocking ? | No |
3.50 GHz | Frequency | 1.80 GHz |
-- | Turbo Frequency (1 Core) | 1.80 GHz |
-- | Turbo Frequency (All Cores) | 1.80 GHz |
Integrated graphics (iGPU)Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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no iGPU | GPU | Intel UHD Graphics (Tiger Lake G4) |
GPU frequency | 0.30 GHz | |
-- | GPU (Turbo) | 1.25 GHz |
-- | GPU Generation | 11 |
Technology | 10 nm | |
Max. displays | 4 | |
-- | Compute units | 48 |
-- | Shader | 384 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 32 GB |
-- | DirectX Version | 12 |
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 UHD Graphics (Tiger Lake G4) |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode |
No | Codec VP8 | Decode |
No | Codec AV1 | Decode |
No | Codec AVC | Decode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeUp to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X2 521, while the Intel Celeron 6305 supports a maximum of 64 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled. |
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AMD Phenom II X2 521 | Characteristic | Intel Celeron 6305 |
DDR3-1333, DDR2-1066 | Memory | LPDDR4-3733, DDR4-3200 |
Max. Memory | 64 GB | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
2.00 MB | L3 Cache | 4.00 MB |
-- | PCIe version | 3.0 |
-- | PCIe lanes | 16 |
-- | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe AMD Phenom II X2 521 has a TDP of 65 W. The TDP of the Intel Celeron 6305 is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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AMD Phenom II X2 521 | Characteristic | Intel Celeron 6305 |
65 W | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 100 °C |
Technical detailsThe AMD Phenom II X2 521 has 2.00 MB cache and is manufactured in 45 nm. The cache of Intel Celeron 6305 is at 4.00 MB. The processor is manufactured in 10 nm. |
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AMD Phenom II X2 521 | Characteristic | Intel Celeron 6305 |
45 nm | Technology | 10 nm |
Unknown | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE3, SSE4a | ISA extensions | SSE4.1, SSE4.2, AVX2 |
AM3 | Socket | BGA 1449 |
AMD-V | Virtualization | VT-x, VT-x EPT, VT-d |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | |
Q2/2011 | Release date | Q4/2020 |
35 $ | Release price | 128 $ |
show more data | show more data | |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Celeron 6305
2C 2T @ 1.80 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Celeron 6305
2C 2T @ 1.80 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Celeron 6305
2C 2T @ 1.80 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Celeron 6305
2C 2T @ 1.80 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Celeron 6305
2C 2T @ 1.80 GHz |
AMD Phenom II X2 521
@ 0.00 GHz |
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Intel Celeron 6305
Intel UHD Graphics (Tiger Lake G4) @ 1.25 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Celeron 6305
2C 2T @ 1.80 GHz |
AMD Phenom II X2 521
2C 2T @ 3.50 GHz |
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Intel Celeron 6305
2C 2T @ 1.80 GHz |
Devices using this processor |
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AMD Phenom II X2 521 | Intel Celeron 6305 |
Unknown | Unknown |