iGPU - FP32 Performance (Single-precision GFLOPS)
AMD Opteron X3421
4C 4T @ 2.1 GHz
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820
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CPU comparison with benchmarks |
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CPU lineage |
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Intel Core i7-2657M or Intel Core i7-2657M – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i7-2657M features 2 processor cores and has the capability to manage 4 threads concurrently. It was released in Q1/2011 and belongs to the 2 generation of the Intel Core i7 series. To use the Intel Core i7-2657M, you'll need a motherboard with a BGA 1023 socket. The AMD Opteron X3421 features 4 processor cores and has the capability to manage 4 threads concurrently. It was released in Q2/2015 and belongs to the 0 generation of the AMD Opteron series. To use the AMD Opteron X3421, you'll need a motherboard with a FP4 socket. |
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2 | Generation | 0 |
Intel Core i7 | Family | AMD Opteron |
Intel Core i 2000M | Group | AMD Opteron X3000 |
Intel Core i7-2657M | Name | AMD Opteron X3421 |
Mobile | Segment | Desktop / Server |
CPU Cores and Base Frequency |
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The Intel Core i7-2657M has 2 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i7-2657M is 1.6 GHz and turbo frequency for one core is 2.7 GHz. The AMD Opteron X3421 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD Opteron X3421 is 2.1 GHz and turbo frequency for one core is 3.4 GHz. |
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2 | CPU Cores | 4 |
4 | Threads | 4 |
2.7 GHz | Turbo Frequency (1 core) | 3.4 GHz |
1.6 GHz | Frequency | 2.1 GHz |
2x | Cores | 4x |
normal | Core architecture | normal |
No | Overclocking | No |
Yes | Hyperthreading | No |
Internal Graphics |
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The Intel Core i7-2657M has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-2657M uses the Intel HD Graphics 3000, which has 96 texture shaders and 12 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. The AMD Opteron X3421 has integrated graphics, called iGPU for short. Specifically, the AMD Opteron X3421 uses the AMD Radeon R7 - 512 (Toronto), which has 512 texture shaders and 8 execution units. |
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6 | Generation | 0 |
Q1/2011 | Release date | -- |
-- | Max. displays | -- |
12 | Execution units | 8 |
96 | Shaders | 512 |
1.0 GHz | GPU (Turbo) | -- |
0.35 GHz | GPU frequency | 0.8 GHz |
32 nm | Technology | 0 nm |
Intel HD Graphics 3000 | GPU name | AMD Radeon R7 - 512 (Toronto) |
2.0 GB | Max. GPU Memory | 2.0 GB |
10.1 | Direct X | 0 |
Artificial Intelligence and Machine Learning |
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-- | AI specifications | -- |
-- | AI hardware | -- |
Hardware codec support |
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A 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 | JPEG | Decode |
Decode / Encode | h264 | Decode / Encode |
No | AV1 | No |
No | VP9 | No |
No | h265 / HEVC (10 bit) | No |
Decode / Encode | AVC | No |
No | h265 / HEVC (8 bit) | Decode |
No | VP8 | No |
Decode | VC-1 | No |
Memory & PCIe |
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The processor supports a maximum memory capacity of 8.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.3 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
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2 | Memory channels | 2 |
8.0 GB | Max. Memory | 0 bytes |
DDR3-1066, DDR3-1333 | Memory type | DDR4-2400 |
Yes | AES-NI | Yes |
21.3 GB/s | Bandwidth | -- |
No | ECC | Yes |
pci | PCIe | pci |
Thermal Management |
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The processor has a thermal design power (TDP) of 17 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself. The processor has a thermal design power (TDP) of 15 W watts. |
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None | TDP up | 35 W |
17 W | TDP (PL1 / PBP) | 15 W |
100 °C | Tjunction max | -- |
None | TDP down | 12 W |
Technical details |
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The Intel Core i7-2657M is manufactured using a 32 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU. In total, this processor boasts a generous 4.0 MB cache. A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming. The AMD Opteron X3421 is manufactured using a 28 nm process. |
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Q1/2011 | Release date | Q2/2015 |
Sandy Bridge H | Architecture | Toronto (Excavator) |
Technical data sheet | Documents | Technical data sheet |
VT-x, VT-x EPT | Virtualization | AMD-V, AMD-Vt |
Monolithic | Chip design | -- |
4.0 MB | L3-Cache | 0 bytes |
SSE4.1, SSE4.2, AVX | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2 |
32 nm | Technology | 28 nm |
BGA 1023 | Socket | FP4 |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
-- | Part Number | OX3421AAY43KA |
270 $ | Release price | -- |
Windows 10, Linux | Operating systems | Windows 10, Linux |
0 bytes | L2-Cache | 2.0 MB |
AMD Opteron X3421
4C 4T @ 2.1 GHz
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820
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