Ryzen 7 7840HS vs Core i7-1255UL

Ryzen 7 7840HS
Core i7-1255UL
8 Cores
16 Threads
3.8GHz Clock
10 Cores
12 Threads
1.7GHz Clock
Socket
FP8
Socket
BGA 1744
iGPU
Radeon 780M 2700MHz
iGPU
Iris Xe 96EU 1250MHz
GB6S 2,370
63%
GB6S 2,200
58%
GB6M 11,035
46%
GB6M 7,000
29%
CB23S 1,795
77%
CB23S 1,645
70%
CB23M 17,090
41%
CB23M 9,340
23%
Manufacturer
AMD
Manufacturer
Intel
Architecture
Zen 4
Architecture
Alder Lake
Family
Ryzen 7000
Family
Core 12th Gen
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
x86-64
Codename
Phoenix
-
-
-
-
-
-
-
-
Codename
Alder Lake-PS
-
Alder Lake-2P-8E
P-Core
Golden Cove
-
-
E-Core
Gracemont
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/3/2023
Release Date
8/1/2022
Foundry
TSMC
-
-
-
Foundry
Intel
Intel (PCH Die)
-
-
Node
N4
-
-
-
Node
Intel 7
14nm (PCH Die)
-
-
Die Size
178 mm²
-
-
-
Die Size
161 mm²
54 mm² (PCH Die)
-
-
Transistor Count
25 Billion
-
-
-
Transistor Count
11.9 Billion
-
-
-
8 Cores
-
-
-
10 Cores
2 P-Cores
-
8 E-Cores
16 Threads
-
-
-
12 Threads
4 P-Threads
-
8 E-Threads
-
3.8GHz
5.1GHz Boost
-
P-Core
1.7GHz
4.7GHz Boost
-
-
-
-
-
-
-
-
-
-
E-Core
1.2GHz
3.5GHz Boost
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Type
PCIe
Type
OPI
-
-
-
-
-
-
-
-
Transfer Rate
16GT/s
Transfer Rate
4GT/s
-
-
-
-
Lanes
4
Lanes
8
Bandwidth
8GB/s
Bandwidth
4GB/s
Bi-directional
16GB/s
Bi-directional
8GB/s
L0 Instruction
-
-
L0 Instruction
-
-
L0 Data
-
-
L0 Data
-
-
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
L1 Instruction
32KB/P-Core
8-way set associative
-
-
64KB/E-Core
8-way set associative
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L1 Data
48KB/P-Core
12-way set associative
-
-
32KB/E-Core
8-way set associative
L2
1024KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
L2
1280KB/Core
10-way set associative
-
-
-
-
-
-
-
-
2MB Shared (E-Core)
16-way set associative
L3
-
16MB Shared
-
16-way set associative
-
-
-
-
-
L3
-
12MB Shared
-
12-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
-
Channels
2
Channels
2
Max Memory
256GB
Max Memory
64GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
64Bit
Bus Width
128Bit
Clock
3750MHz
Transfer Rate
7500MT/s
Clock
2400MHz
Transfer Rate
4800MT/s
Bandwidth/Channel
60.0GB/s
Bandwidth
120.0GB/s
Bandwidth/Channel
38.4GB/s
Bandwidth
76.8GB/s
TDP
45W
35W cTDP Down
54W cTDP Up
-
TDP
15W
12W cTDP Down
28W cTDP Up
-
Temp
100°C Max
-
Temp
100°C Max
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 4.0 x20 Lanes
PCIe 4.0 x12 Lanes
Radeon 780M 2700MHz
768 Shaders
2700MHz
Iris Xe 96EU 1250MHz
768 Shaders
1250MHz
Ryzen AI
GNA 3.0
-
-
-
-
10 TOPS
-
-
-
-
-
-
-
No Cellular
No Cellular
Change Results