Skip to content
InnoReviews

MediaTek Dimensity 6400 vs Samsung Exynos 990

MediaTek Dimensity 6400
26.6Inno Score
VS
WINNER
Samsung Exynos 990
30.8Inno Score
26.3CPU29.8
21.3GPU25.7
—Benchmarks37.4
36Efficiencyspec-based32.1
2 spec wins — MediaTek Dimensity 64004 spec wins — Samsung Exynos 990

InnoReviews verdict

Samsung Exynos 990 wins this mobile chipset face-off, 30.8 to 26.6, pulling ahead mainly in GPU (+4) and CPU (+4). MediaTek Dimensity 6400 still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the MediaTek Dimensity 6400

  • 14% lower process: 6 nm vs 7 nm

Reasons to pick the Samsung Exynos 990

  • Stronger CPU score: 30 vs 26
  • Stronger GPU score: 26 vs 21
  • 153% higher 3DMark Wild Life Extreme: 900 vs 356
  • 30% higher Geekbench 6 (multi): 2,650 vs 2,041
  • 14% higher Geekbench 6 (single): 900 vs 792

General

General comparison: MediaTek Dimensity 6400 versus Samsung Exynos 990
SpecMediaTek Dimensity 6400Samsung Exynos 990
Announced20252020
Process6 nm+14%7 nm
TDP (typical)—10 W
ArchitectureArmv8.2Armv8.2

CPU

CPU comparison: MediaTek Dimensity 6400 versus Samsung Exynos 990
SpecMediaTek Dimensity 6400Samsung Exynos 990
Cores88
Core configuration2x2.5 GHz Cortex-A76 + 6x2.0 GHz Cortex-A552x2.73 GHz Exynos M5 + 2x2.5 GHz Cortex-A76 + 4x2.0 GHz Cortex-A55
Max clock2.5 GHz2.73 GHz+9%

GPU

GPU comparison: MediaTek Dimensity 6400 versus Samsung Exynos 990
SpecMediaTek Dimensity 6400Samsung Exynos 990
GPUArm Mali-G57 MC2Arm Mali-G77 MP11

Memory

Memory comparison: MediaTek Dimensity 6400 versus Samsung Exynos 990
SpecMediaTek Dimensity 6400Samsung Exynos 990
Memory typeLPDDR4X-4266LPDDR5-2750
Max bandwidth—44 GB/s

Connectivity

Connectivity comparison: MediaTek Dimensity 6400 versus Samsung Exynos 990
SpecMediaTek Dimensity 6400Samsung Exynos 990
ModemIntegrated 5G modem (3GPP Release 16)Exynos 5123 5G (external)
Max download3.3 Gbps—
Wi-FiWi-Fi 5Wi-Fi 6
Bluetooth5.25.0

Media

Media comparison: MediaTek Dimensity 6400 versus Samsung Exynos 990
SpecMediaTek Dimensity 6400Samsung Exynos 990
Max displayFHD+ @ 120HzWQHD+ @ 120Hz
Video capture—8K@30fps

Benchmarks

Benchmarks comparison: MediaTek Dimensity 6400 versus Samsung Exynos 990
SpecMediaTek Dimensity 6400Samsung Exynos 990
AnTuTu—500,000
Geekbench 6 (single)792Bottom 34%900+14%Bottom 37%
Geekbench 6 (multi)2,041Bottom 32%2,650+30%Bottom 44%
3DMark Wild Life Extreme356Bottom 6%900+153%Bottom 24%

Related comparisons

MediaTek Dimensity 6400vs Qualcomm Snapdragon 835VSMediaTek Dimensity 6400vs Qualcomm Snapdragon 675VSMediaTek Dimensity 6400vs MediaTek Helio G35VSMediaTek Dimensity 6400vs MediaTek Helio P35VSSamsung Exynos 990vs Qualcomm Snapdragon 695VSSamsung Exynos 990vs Qualcomm Snapdragon 730GVSSamsung Exynos 990vs Qualcomm Snapdragon 765GVSSamsung Exynos 990vs MediaTek Dimensity 6300VS

Try another matchup