AMD Ryzen 7 7840HS vs Qualcomm Snapdragon 8cx Gen 2

AMD Ryzen 7 7840HS
Qualcomm Snapdragon 8cx Gen 2
8 Cores
16 Threads
3.8GHz Clock
8 Cores
8 Threads
3.15GHz Clock
Socket
FP8
Socket
Unknown
iGPU
Radeon 780M 2700MHz
4.15 TFLOPS FP32
iGPU
Adreno 690
2.09 TFLOPS FP32
GB6S N/A
0%
GB6M N/A
0%
CB23S 1,795
69%
CB23S N/A
0%
CB23M 17,090
40%
CB23M N/A
0%
Manufacturer
AMD
Manufacturer
Qualcomm
Architecture
Zen 4
Architecture
Kryo 495
Family
Ryzen 7000
Family
8c Series
Instruction Set (ISA)
x86-64
Instruction Set (ISA)
AArch64
Codename
Phoenix Point
-
-
-
-
-
-
-
-
Codename
-
-
Snapdragon 8cx Gen 2
P-Core
Cortex-A76
-
-
E-Core
Cortex-A55
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/3/2023
Release Date
8/30/2020
Foundry
TSMC
-
-
-
Foundry
TSMC
-
-
-
Node
N4
-
-
-
Node
N7
-
-
-
Die Size
178 mm²
-
-
-
Die Size
Unknown
-
-
-
Transistor Count
25 Billion
-
-
-
Transistor Count
Unknown
-
-
-
FP8
Unknown
8 Cores
-
-
-
8 Cores
4 P-Cores
-
4 E-Cores
16 Threads
-
-
-
8 Threads
4 P-Threads
-
4 E-Threads
-
3.8GHz
5.1GHz Boost
-
P-Core
3.15GHz
-
-
-
-
-
-
-
-
-
-
-
E-Core
1.8GHz
-
Overclocking
Locked
-
-
-
Overclocking
Locked
-
-
-
Type
PCIe
Integrated Chipset
-
-
-
-
-
-
-
-
-
Transfer Rate
16GT/s
-
-
-
-
-
-
Lanes
4
-
-
Bandwidth
8GB/s
-
-
Bi-directional
16GB/s
-
-
L0 Instruction
-
-
L0 Instruction
-
-
L0 Data
-
-
L0 Data
-
-
L1 Instruction
32KB/Core
8-way set associative
-
-
-
-
L1 Instruction
64KB/P-Core
4-way set associative
-
-
32KB/E-Core
4-way set associative
L1 Data
32KB/Core
8-way set associative
-
-
-
-
L1 Data
64KB/P-Core
4-way set associative
-
-
32KB/E-Core
4-way set associative
L2
1024KB/Core
8-way set associative
-
-
-
-
-
-
-
-
-
-
L2
512KB/P-Core
8-way set associative
-
-
-
-
-
-
128KB/E-Core
4-way set associative
-
-
L3
-
16MB Shared
-
16-way set associative
-
-
-
-
-
L3
-
2MB Shared
-
16-way set associative
-
-
-
-
-
-
-
-
-
-
-
-
3MB SLC Cache
Channels
2
Channels
8
Max Memory
256GB
Max Memory
16GB
ECC
Not Supported
ECC
Not Supported
Bus Width/Channel
64Bit
Bus Width
128Bit
Bus Width/Channel
16Bit
Bus Width
128Bit
Clock
3750MHz
Transfer Rate
7500MT/s
Clock
2133MHz
Transfer Rate
4266MT/s
Bandwidth/Channel
60.0GB/s
Bandwidth
120.0GB/s
Bandwidth/Channel
8.5GB/s
Bandwidth
68.3GB/s
TDP
45W
35W cTDP Down
54W cTDP Up
-
TDP
Unknown
-
-
-
Temp
100°C Max
-
-
-
-
Included Cooler
Not Included
Included Cooler
Not Included
PCIe 4.0 x20 Lanes
No PCIe
Radeon 780M 2700MHz
768 Shaders
2700MHz
4.15 TFLOPS FP32
Adreno 690
1536 Shaders
680MHz
2.09 TFLOPS FP32
Ryzen AI
Hexagon 690
-
-
-
-
10 TOPS
9 TOPS
-
-
ISP
Spectra 390 (192 MP single camera / 22 MP at 30fps dual camera with MFNR/ZSL)
No Cellular
Modem
Qualcomm
X55
5G mmWave
Speed
Up to 7500Mbps Download
Up to 3000Mbps Upload
Change Comparison