Intel Core Ultra 7 255HX vs Intel Celeron 7300

Intel Core Ultra 7 255HX $507
Intel Celeron 7300 $107
20 Cores
20 Threads
2.4GHz Clock
5 Cores
5 Threads
1GHz Clock
Socket
BGA 2114
Socket
BGA 1744
iGPU
Graphics 4C 1850MHz
1.89 TFLOPS FP32
iGPU
Iris Xe 48EU 700MHz
540 GFLOPS FP32
GB6S N/A
0%
GB6S 540
13%
GB6M N/A
0%
GB6M 1,390
5%
CB23S N/A
0%
CB23S N/A
0%
CB23M N/A
0%
CB23M N/A
0%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Arrow Lake
Architecture
Alder Lake
Family
Core Ultra Series 2
Family
Celeron
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
-
-
Arrow Lake-S-8P-16E
P-Core
Lion Cove
-
-
E-Core
Skymont
Codename
Alder Lake-U
-
Alder Lake-2P-8E
P-Core
Golden Cove
-
-
E-Core
Gracemont
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/6/2025
Release Date
2/23/2022
Foundry
TSMC
TSMC (iGPU Die)
TSMC (SoC Die)
TSMC (IO Die)
Foundry
Intel
Intel (PCH Die)
-
-
Node
N3B
N5 (iGPU Die)
N6 (SoC Die)
N6 (IO Die)
Node
Intel 7
14nm (PCH Die)
-
-
Die Size
135 mm²
23 mm² (iGPU Die)
100 mm² (SoC Die)
28 mm² (IO Die)
Die Size
161 mm²
54 mm² (PCH Die)
-
-
Transistor Count
Unknown
-
-
-
Transistor Count
11.9 Billion
-
-
-
20 Cores
8 P-Cores
-
12 E-Cores
5 Cores
1 P-Cores
-
4 E-Cores
20 Threads
8 P-Threads
-
12 E-Threads
5 Threads
1 P-Threads
-
4 E-Threads
P-Core
2.4GHz
5.2GHz Boost
-
P-Core
1GHz
-
-
-
-
-
-
-
-
E-Core
1.8GHz
4.5GHz Boost
E-Core
700MHz
-
Overclocking
Unlocked
-
-
-
Overclocking
Locked
-
-
-
Type
DMI
Type
OPI
-
-
-
-
-
-
-
-
Transfer Rate
16GT/s
Transfer Rate
4GT/s
-
-
-
-
Lanes
8
Lanes
8
Bandwidth
16GB/s
Bandwidth
4GB/s
Bi-directional
32GB/s
Bi-directional
8GB/s
L0 Instruction
-
-
L0 Instruction
-
-
L0 Data
-
-
L0 Data
-
-
L1 Instruction
64KB/P-Core
8-way set associative
-
-
64KB/E-Core
8-way set associative
L1 Instruction
32KB/P-Core
8-way set associative
-
-
64KB/E-Core
8-way set associative
L1 Data
48KB/P-Core
12-way set associative
-
-
32KB/E-Core
8-way set associative
L1 Data
48KB/P-Core
12-way set associative
-
-
32KB/E-Core
8-way set associative
L2
3072KB/Core
10-way set associative
-
-
-
-
-
-
-
-
12MB Shared (E-Core)
16-way set associative
L2
1280KB/Core
10-way set associative
-
-
-
-
-
-
-
-
2MB Shared (E-Core)
16-way set associative
L3
-
30MB Shared
-
12-way set associative
-
-
-
-
-
L3
-
8MB Shared
-
12-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
192GB
Max Memory
64GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
3200MHz
Transfer Rate
6400MT/s
Clock
2600MHz
Transfer Rate
5200MT/s
Bandwidth/Channel
51.2GB/s
Bandwidth
102.4GB/s
Bandwidth/Channel
41.6GB/s
Bandwidth
83.2GB/s
TDP
55W
45W cTDP Down
-
160W Peak
TDP
9W
-
-
29W Peak
Temp
105°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 5.0 x20 Lanes
PCIe 4.0 x4 Lanes
PCIe 4.0 x6 Lanes
Graphics 4C 1850MHz
512 Shaders
1850MHz
1.89 TFLOPS FP32
Iris Xe 48EU 700MHz
384 Shaders
700MHz
540 GFLOPS FP32
AI Boost 3
GNA 3.0
-
2 Cores
-
-
13 TOPS INT8
-
-
-
-
-
No Cellular
No Cellular
Change Comparison