Skip to content
InnoReviews
RU

AMD Ryzen 7 7840U vs Intel Core i7-1255U

WINNER
AMD Ryzen 7 7840U
54.5Inno Score
VS
I
37.8Inno Score
48.6Single-core35.6
36.7Multi-core20
73.5Efficiency75.3
92iGPU34
61.8Platform47.7
14 spec wins — AMD Ryzen 7 7840U3 spec wins — Intel Core i7-1255U

InnoReviews verdict

AMD Ryzen 7 7840U wins this laptop processor face-off, 54.5 to 37.8, pulling ahead mainly in iGPU (+58) and Multi-core (+17). Intel Core i7-1255U still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the AMD Ryzen 7 7840U

  • Stronger Single-core score: 49 vs 36
  • Stronger Multi-core score: 37 vs 20
  • Stronger iGPU score: 92 vs 34
  • Stronger platform score: 62 vs 48
  • 300% higher Performance cores: 8 vs 2

Reasons to pick the Intel Core i7-1255U

  • 83% higher Max TDP: 55 W vs 30 W
  • 46% lower Base TDP: 15 W vs 28 W
  • 25% higher cores: 10 vs 8

General

General comparison: AMD Ryzen 7 7840U versus Intel Core i7-1255U
SpecAMD Ryzen 7 7840UIntel Core i7-1255U
Announced20232022
Process4 nm+60%10 nm
Base TDP28 W15 W+46%
Max TDP30 W55 W+83%

Cores & Clocks

Cores & Clocks comparison: AMD Ryzen 7 7840U versus Intel Core i7-1255U
SpecAMD Ryzen 7 7840UIntel Core i7-1255U
Cores810+25%
Performance cores8+300%2
Efficiency cores—8
Threads16+33%12
Base clock3.3 GHz+94%1.7 GHz
Boost clock5.1 GHz+9%4.7 GHz
L3 cache16 MB+33%12 MB

Integrated GPU

Integrated GPU comparison: AMD Ryzen 7 7840U versus Intel Core i7-1255U
SpecAMD Ryzen 7 7840UIntel Core i7-1255U
iGPUAMD Radeon 780MIntel Iris Xe (96 EU)
iGPU clock2,700 MHz+116%1,250 MHz

Memory

Memory comparison: AMD Ryzen 7 7840U versus Intel Core i7-1255U
SpecAMD Ryzen 7 7840UIntel Core i7-1255U
Memory supportLPDDR5X-7500 / DDR5-5600LPDDR5-5200 / DDR5-4800 / LPDDR4X-4267
Max memory256 GB+300%64 GB

Benchmarks

Benchmarks comparison: AMD Ryzen 7 7840U versus Intel Core i7-1255U
SpecAMD Ryzen 7 7840UIntel Core i7-1255U
Geekbench 6 (single)2,580+21%2,130
Geekbench 6 (multi)11,700+77%6,600
Cinebench R23 (single)1,740+9%1,600
Cinebench R23 (multi)14,500+113%6,800
PassMark28,400+118%13,000

Related comparisons

AMD Ryzen 7 7840Uvs AMD Ryzen 7 7840HSVSAMD Ryzen 7 7840Uvs AMD Ryzen 7 8845HSVSAMD Ryzen 7 7840Uvs Qualcomm Snapdragon X Elite X1E-84-100VSAMD Ryzen 7 7840Uvs AMD Ryzen 9 8945HSVSIntel Core i7-1255Uvs AMD Ryzen 7 5800HVSIntel Core i7-1255Uvs Intel Core i5-12500HVSIntel Core i7-1255Uvs AMD Ryzen 5 7535HSVSIntel Core i7-1255Uvs Apple M1 (8-core)VS

Try another matchup