Intel Core Ultra 7 255U vs Intel Core i7-8706G

Intel Core Ultra 7 255U $490
Intel Core i7-8706G
12 Cores
12 Threads
2GHz Clock
4 Cores
8 Threads
3.1GHz Clock
Socket
BGA 2049
Socket
BGA 2270
iGPU
Graphics 4C 2100MHz
2.15 TFLOPS FP32
iGPU
Radeon RX Vega M GL
2.82 TFLOPS FP32
GB6S N/A
0%
GB6M N/A
0%
CB23S N/A
0%
CB23S N/A
0%
CB23M N/A
0%
CB23M N/A
0%
Manufacturer
Intel
Manufacturer
Intel
Architecture
Arrow Lake
Architecture
Skylake
Family
Core Ultra Series 2
Family
Core 8th Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
-
-
Arrow Lake-U-2P-8E
P-Core
Lion Cove
M-Core
Skymont
E-Core
Crestmont
Codename
Kaby Lake-G
-
Kaby Lake-4C-GT2
-
-
-
-
-
-
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/6/2025
Release Date
1/7/2018
Foundry
Intel
TSMC (iGPU Die)
TSMC (SoC Die)
TSMC (IO Die)
Foundry
Intel
GlobalFoundries (iGPU Die)
SK Hynix (HBM2 Die)
-
Node
Intel 3
N5 (iGPU Die)
N6 (SoC Die)
N6 (IO Die)
Node
14nm++
14nm (iGPU Die)
21nm (HBM2 Die)
-
Die Size
Unknown
23 mm² (iGPU Die)
100 mm² (SoC Die)
10 mm² (IO Die)
Die Size
125 mm²
208 mm² (iGPU Die)
92 mm² (HBM2 Die)
-
Transistor Count
Unknown
-
-
-
Transistor Count
2.1 Billion
5 Billion (iGPU Die)
-
-
12 Cores
2 P-Cores
8 M-Cores
2 E-Cores
4 Cores
-
-
-
12 Threads
2 P-Threads
8 M-Cores
2 E-Threads
8 Threads
-
-
-
P-Core
2GHz
5.2GHz Boost
-
-
3.1GHz
4.1GHz Boost
-
M-Core
1.7GHz
-
-
-
-
E-Core
700MHz
2.4GHz Boost
-
-
-
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Integrated Chipset
-
Type
DMI
-
-
-
-
-
-
-
-
-
-
Transfer Rate
8GT/s
-
-
-
-
-
-
Lanes
4
-
-
Bandwidth
4GB/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/Core
8-way set associative
-
-
-
-
L1 Data
48KB/P-Core
12-way set associative
-
-
32KB/E-Core
8-way set associative
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L2
3072KB/Core
10-way set associative
-
-
-
-
-
-
-
-
8MB Shared (E-Core)
16-way set associative
L2
256KB/Core
4-way set associative
-
-
-
-
-
-
-
-
-
-
L3
-
24MB Shared
-
12-way set associative
-
-
-
-
-
L3
-
8MB Shared
-
16-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
128GB
Max Memory
32GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
4200MHz
Transfer Rate
8400MT/s
Clock
1200MHz
Transfer Rate
2400MT/s
Bandwidth/Channel
67.2GB/s
Bandwidth
134.4GB/s
Bandwidth/Channel
19.2GB/s
Bandwidth
38.4GB/s
TDP
15W
12W cTDP Down
-
57W Peak
TDP
65W
-
-
-
Temp
110°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 4.0 x20 Lanes
PCIe 3.0 x8 Lanes
Graphics 4C 2100MHz
512 Shaders
2100MHz
2.15 TFLOPS FP32
Radeon RX Vega M GL
1280 Shaders
1101MHz
2.82 TFLOPS FP32
AI Boost 3
No NPU
-
-
2 Cores
-
-
13 TOPS INT8
-
-
-
-
-
No Cellular
No Cellular
Change Comparison