Intel Core i7-1255U | Intel Pentium Gold 6500Y | |
CPU comparisonIntel Core i7-1255U or Intel Pentium Gold 6500Y - 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 Core i7-1255U has 10 cores with 12 threads and clocks with a maximum frequency of 4.70 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Core i7-1255U was released in Q1/2022. The Intel Pentium Gold 6500Y has 2 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Pentium Gold 6500Y was released in Q1/2021. |
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Intel Core i7 (298) | Family | Intel Pentium (150) |
Intel Core i 1200P/1200U (21) | CPU group | Intel Pentium 6000Y (1) |
12 | Generation | 10 |
Alder Lake U | Architecture | Amber Lake U |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
Intel Core i7-1355U | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-1255U has 10 CPU cores and can calculate 12 threads in parallel. The clock frequency of the Intel Core i7-1255U is 1.70 GHz (4.70 GHz) while the Intel Pentium Gold 6500Y has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Pentium Gold 6500Y is at 1.10 GHz (3.40 GHz). |
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Intel Core i7-1255U | Characteristic | Intel Pentium Gold 6500Y |
10 | Cores | 2 |
12 | Threads | 4 |
hybrid (big.LITTLE) | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
1.70 GHz (4.70 GHz) 2x Golden Cove |
A-Core | 1.10 GHz (3.40 GHz) |
1.20 GHz (3.50 GHz) 8x Gracemont |
B-Core | -- |
Integrated graphics (iGPU)The Intel Core i7-1255U or Intel Pentium Gold 6500Y has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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Intel Iris Xe Graphics 96 (Alder Lake) | GPU | Intel HD Graphics 615 |
0.35 GHz | GPU frequency | 0.30 GHz |
1.25 GHz | GPU (Turbo) | 0.90 GHz |
13 | GPU Generation | 9.5 |
10 nm | Technology | 14nm |
4 | Max. displays | 3 |
96 | Compute units | 24 |
768 | Shader | 192 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
32 GB | Max. GPU Memory | 16 GB |
12.1 | 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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Intel Iris Xe Graphics 96 (Alder Lake) | GPU | Intel HD Graphics 615 |
Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
Decode / Encode | Codec h265 / HEVC (10 bit) | Decode / Encode |
Decode / Encode | Codec h264 | Decode / Encode |
Decode / Encode | Codec VP9 | Decode / Encode |
Decode | Codec VP8 | Decode / Encode |
Decode | Codec AV1 | No |
Decode / Encode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Core i7-1255U can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 83.2 GB/s. The Intel Pentium Gold 6500Y supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 29.9 GB/s. |
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Intel Core i7-1255U | Characteristic | Intel Pentium Gold 6500Y |
LPDDR5-5200, LPDDR4X-4266, DDR5-4800, DDR4-3200 | Memory | LPDDR3-1866, DDR3-1600 |
64 GB | Max. Memory | 16 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
83.2 GB/s | Max. Bandwidth | 29.9 GB/s |
No | ECC | No |
6.50 MB | L2 Cache | -- |
12.00 MB | L3 Cache | 4.00 MB |
4.0 | PCIe version | 3.0 |
28 | PCIe lanes | 10 |
55.1 GB/s | PCIe Bandwidth | 9.9 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i7-1255U is 15 W, while the Intel Pentium Gold 6500Y has a TDP of 5 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Core i7-1255U | Characteristic | Intel Pentium Gold 6500Y |
15 W | TDP (PL1 / PBP) | 5 W |
55 W | TDP (PL2) | -- |
-- | TDP up | 7 W |
-- | TDP down | 3.5 W |
100 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i7-1255U is manufactured in 10 nm and has 18.50 MB cache. The Intel Pentium Gold 6500Y is manufactured in 14 nm and has a 4.00 MB cache. |
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Intel Core i7-1255U | Characteristic | Intel Pentium Gold 6500Y |
10 nm | Technology | 14 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
BGA 1744 | Socket | BGA 1515 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | |
Q1/2022 | Release date | Q1/2021 |
-- | Release price | -- |
show more data | show more data | |
Intel Core i7-1255U
10C 12T @ 4.70 GHz |
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Intel Pentium Gold 6500Y
2C 4T @ 3.40 GHz |
Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Intel Pentium Gold 6500Y
2C 4T @ 2.40 GHz |
Intel Core i7-1255U
10C 12T @ 4.70 GHz |
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Intel Pentium Gold 6500Y
2C 4T @ 3.40 GHz |
Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Intel Pentium Gold 6500Y
2C 4T @ 2.40 GHz |
Intel Core i7-1255U
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.25 GHz |
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Intel Pentium Gold 6500Y
Intel HD Graphics 615 @ 0.90 GHz |
Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Intel Pentium Gold 6500Y
2C 4T @ 2.40 GHz |
Intel Core i7-1255U
10C 12T @ 4.70 GHz |
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Intel Pentium Gold 6500Y
2C 4T @ 3.40 GHz |
Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Intel Pentium Gold 6500Y
2C 4T @ 2.40 GHz |
Intel Core i7-1255U
10C 12T @ 4.70 GHz |
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Intel Pentium Gold 6500Y
2C 4T @ 3.40 GHz |
Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Intel Pentium Gold 6500Y
2C 4T @ 2.40 GHz |
Intel Core i7-1255U
10C 12T @ 4.70 GHz |
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Intel Pentium Gold 6500Y
2C 4T @ 3.40 GHz |
Intel Core i7-1255U
10C 12T @ 2.70 GHz |
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Intel Pentium Gold 6500Y
2C 4T @ 2.40 GHz |
Devices using this processor |
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Intel Core i7-1255U | Intel Pentium Gold 6500Y |
Unknown | Unknown |