Intel Core i7-1255U vs Intel Core i9-12900K

差异
 规格基准褒奖

差异

需要考虑的原因
Intel Core i7-1255U

报告一个错误

Lower stated TDP / base power

Power limits alone do not measure performance per watt.

15 W 125 W

所有排名中的位置

共同立场 Intel Core i7-1255U 在流行的基准测试中的CPU，用于与其他型号进行比较.

iGPU - FP32 Performance (Single-precision GFLOPS)

106 place

需要考虑的原因
Intel Core i9-12900K

报告一个错误

更高的时钟速度

左右 118% 更好的时钟速度

3.70 GHz 1.70 GHz
更多的核心数量

6 more cores

16 10
更高的涡轮增压时钟速度

左右 11 % higher specified turbo frequency

5.20 GHz 4.70 GHz

规格

技术数据

Intel Core i7-1255U

Intel Core i9-12900K

CPU家族和团体

有关被比较的处理器、系列、代数和细分市场的背景信息。

CPU组

Intel Core i 1200P/1200U Intel Core i 12000
系列

Intel Core i7 12th Generation Intel Core i9 Processors
一代人

12 12
过去的模式

- Intel Core i9-11900K
分段

Mobile Desktop
Successor

- Intel Core i9-13900K
Processor Number

- i9-12900K

CPU技术规格

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

A-Core

2x Golden Cove 8x Golden Cove
B-Core

8x Gracemont 8x Gracemont
Base Frequency

1.7 GHz 3.7 GHz
核心架构

hybrid (big.LITTLE) hybrid (big.LITTLE)
CPU核数

10 16
CPU线程

12 24
Hyperthreading / SMT

是是
超频

没有是
Turbo Frequency (1 Core)

4.7 GHz 5.3 GHz
Turbo Frequency (10 Cores)

2.7 GHz -
E-core Base Clock

- 2.4 GHz
E-core Max Turbo

- 3.9 GHz
Efficient Cores

- 8
Max. Boost Clock

- 5.2 GHz
P-core Base Clock

- 3.2 GHz
P-core Max Turbo

- 5.1 GHz
Performance Cores

- 8
Turbo Frequency (16 Cores)

- 5 GHz

IGPU

内部图形不影响CPU的性能，在没有显卡或在移动设备上执行显卡的工作。

DirectX Version

12.1 12
执行单位

96 32
一代人

13 12
GPU Frequency

350 MHz 400 MHz
GPU名称

Intel Iris Xe Graphics 96 (Alder Lake) Intel UHD Graphics 770
GPU Turbo

1250 MHz 1550 MHz
Max. displays

4 4
Max. GPU Memory

64 GB 16 GB
发布日期

Q1/2022 Q4/2021
着色器

768 256
技术过程

10 nm 10 nm
Graphics Base Frequency

- 300 MHz
Graphics Output

- eDP 1.4b, DP 1.4a, HDMI 2.1

硬件编解码器支持

用于编码和解码内容的内置编解码器。大大地加快了所需的操作。

AV1

Decode Decode
H.264 / AVC

Decode / Encode Decode / Encode
h265 / HEVC (8 bit)

Decode / Encode Decode / Encode
h265 / HEVC (10 bit)

Decode / Encode Decode / Encode
JPEG

Decode / Encode Decode / Encode
VC-1

Decode Decode
VP8

Decode Decode
VP9

Decode / Encode Decode / Encode

内存规格和PCI

支持的RAM的类型、通道数量 Intel Core i9-12900K 和 Intel Core i7-1255U. 根据主板的不同，可能支持更高或更低的内存频率。

ECC

没有是
最大内存

64 GB 128 GB
记忆通道

2 2
存储器类型

DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200 Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s
PCIe

4.0 x 28 -
PCIe通道

- 20
PCIe版本

- 5.0 and 4.0

加密

AES-NI

是是

能源消耗

比较TDP的要求 Intel Core i7-1255U 和 Intel Core i9-12900K Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

Maximum Operating Temperature

100 °C 100 °C
TDP (PL1, legacy label)

15 W 125 W
TDP (PL2)

55 W 228 W / 56 s
Maximum Turbo Power

- 241 W
Processor Base Power (PBP)

- 125 W

技术和扩展

架构、接口、所支持的额外指令 Intel Core i7-1255U 和 Intel Core i9-12900K, 虚拟机技术和工艺技术。

建筑学

Alder Lake U Alder Lake S
指令集（ISA）

x86-64 (64 bit) x86-64 (64 bit)
ISA扩展

SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2, AVX2+
L2-Cache

6.5 MB Conflicting source values: 14 MB (Total cache capacity) | 3.75 MB
L2-Cache

12 MB 30 MB
Part Number

- BX8071512900K
发布日期

Q1/2022 Q4/2021
插座

BGA 1744 FCLGA1700
技术过程

10 nm Intel 7 (Manufacturer process designation)
虚拟化

VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
Cache (manufacturer label)

- 30 MB Intel Smart Cache
Codename

- Products formerly Alder Lake
Marketing Status (manufacturer label)

- Launched
Use Conditions

- PC/Client/Tablet, Workstation

基准

性能测试 CPUs

Shared tests with results for both models: 7

Blender Cycles

Each row uses one Blender version, operating system and compute backend.

Test and settings	Intel Core i7-1255U	Intel Core i9-12900K	Result difference¹
Blender 5.2.0 / CPU / Windows	72.500587 samples/min Submissions: 5	338.069854 samples/min Submissions: 12	+366.3 %
Blender 5.1.0 / CPU / Windows	71.046234 samples/min Submissions: 10	364.623081 samples/min Submissions: 5	+413.2 %
Blender 4.5.0 / CPU / Windows	73.828397 samples/min Submissions: 16	347.867139 samples/min Submissions: 51	+371.2 %
Blender 4.4.0 / CPU / Windows	72.326994 samples/min Submissions: 7	334.608444 samples/min Submissions: 40	+362.6 %
Blender 4.3.0 / CPU / Windows	72.096635 samples/min Submissions: 25	331.433386 samples/min Submissions: 51	+359.7 %
Blender 4.2.0 / CPU / Windows	78.804508 samples/min Submissions: 60	348.527563 samples/min Submissions: 101	+342.3 %
Blender 4.0.0 / CPU / Windows	76.175019 samples/min Submissions: 10	342.220842 samples/min Submissions: 83	+349.3 %

¹ Difference of the second result relative to the first in that row. No percentage is calculated for different upscaling algorithms. This compares published results, not a universal performance index.

Individual model tests

These results have no shared test of both models with the same version and settings. They are shown separately without a percentage difference.

Intel Core i7-1255U

Intel Core i9-12900K

Blender 4.0.0 / CPU / Linux 387.437158 samples/min
Blender 4.1.0 / CPU / Windows 341.86517 samples/min
Blender 4.5.0 / CPU / Linux 405.81974 samples/min
Blender 5.1.1 / CPU / Windows 371.614153 samples/min

Individual system tests

Results were obtained on the reported systems. Test versions and settings remain separate; incomplete conditions do not support calculated model performance differences.

Cinebench 2024 / multiple threads

Model	Result	Reported conditions
Intel Core i9-12900K	1387 points	System: Core i9-12900K, 16 GB CPU / power label: Core i9-12900K, 16 GB Source minimum runtime: 0 minutes. Exact test build and complete conditions are unreported; no ranking position.

Cinebench 2024 / single thread

Model	Result	Reported conditions
Intel Core i9-12900K	120 points	System: Core i9-12900K, 16 GB CPU / power label: Core i9-12900K, 16 GB Source minimum runtime: 0 minutes. Exact test build and complete conditions are unreported; no ranking position.

RandomX / XMRig 6.26.0 / 1M / 22 threads / windows

Model	Result	Reported conditions
Intel Core i9-12900K	9357.425585 H/s	RandomX / XMRig 6.26.0 / 1M / 22 threads / windows System RAM: 64 GB OS: Windows NT 10.0 Motherboard: Micro-Star International Co., Ltd. / PRO Z690-A WIFI (MS-7D25) Duration: 106.867 s User-submitted run; tuning and power settings are incomplete.

RandomX / XMRig 6.21.0 / 1M / 8 threads / linux

Model	Result	Reported conditions
Intel Core i7-1255U	2858.106447 H/s	RandomX / XMRig 6.21.0 / 1M / 8 threads / linux System RAM: 16 GB OS: Linux x86_64 Motherboard: LENOVO / 21E60050UK Duration: 349.882 s User-submitted run; tuning and power settings are incomplete.

Cinebench R23 / multiple threads

Model	Result	Reported conditions
Intel Core i9-12900K	27485 points	System: CB: Core i9-12900K @ Stock CPU / power label: CB: Core i9-12900K @ Stock Exact test build and complete conditions are unreported; no ranking position.

Cinebench R23 / single thread

Model	Result	Reported conditions
Intel Core i9-12900K	2032 points	System: CB: Core i9-12900K @ Stock CPU / power label: CB: Core i9-12900K @ Stock Exact test build and complete conditions are unreported; no ranking position.