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  3. Legion Slim 5 Gen 8 16 RTX 4070 (2023) vs Legion Slim 5 Gen 9 16 RTX 4050 (2024)

Lenovo Legion Slim 5 Gen 8 16 RTX 4070 (2023) vs Lenovo Legion Slim 5 Gen 9 16 RTX 4050 (2024)

What Legion Slim 5 Gen 8 16 RTX 4070 (2023) does better (9) and where Legion Slim 5 Gen 9 16 RTX 4050 (2024) wins (11) — every spec side by side.

Lenovo Legion Slim 5 Gen 8 16 RTX 4070 (2023)
Lenovo · 2023Legion Slim 5 Gen 8 16 RTX 4070 (2023)
7.4Score
9 advantages
Higher score
vs
Lenovo Legion Slim 5 Gen 9 16 RTX 4050 (2024)
Lenovo · 2024Legion Slim 5 Gen 9 16 RTX 4050 (2024)
7.3Score
11 advantages
7.9Graphics4.0
6.6Overall performance4.8
5.9Display8.6
4.9Memory & storage8.6
6.9Battery & portability7.9
6.4Features & cooling6.5
Dimensions

Size comparison

Legion Slim 5 Gen 8 16 RTX 4070 (2023)Legion Slim 5 Gen 9 16 RTX 4050 (2024)
359.7 × 260.325.2359.7 × 260.525.2
Legion Slim 5 Gen 8 16 RTX 4070 (2023)Legion Slim 5 Gen 9 16 RTX 4050 (2024)Difference
Depth260.3 mm260.5 mm−0.2 mm
Width359.7 mm359.7 mm=
Thickness25.2 mm25.2 mm=
Weight2.3 kg2.1 kg+0.2 kg

Drawn to the same scale from the official dimensions (front and side).

Why is Legion Slim 5 Gen 8 16 RTX 4070 (2023) better than Legion Slim 5 Gen 9 16 RTX 4050 (2024)?

  1. GPU compute (FP32)21.8 TFLOPS vs 11.7 TFLOPS+86%
  2. GPU power (TGP)140 W vs 100 W+40%
  3. 3DMark Steel Nomad Light13,523 vs 7,945+70%
  4. GPU shader cores4,608 vs 2,560+80%
  5. Geekbench 6 multi-core10,447 vs 10,114+3%
  6. Video memory8 GB vs 6 GB+33%
  7. Cinebench 2024 multi-core764 vs 741+3%
  8. Geekbench 6 single-core2,528 vs 2,192+15%
  9. Max CPU clock5 GHz vs 4.8 GHz+4%

Why is Legion Slim 5 Gen 9 16 RTX 4050 (2024) better than Legion Slim 5 Gen 8 16 RTX 4070 (2023)?

  1. RAM (up to)32 GB vs 64 GB2×
  2. Resolution classFull HD (1080p/1200p) vs QHD (1440p/1600p)
  3. SSD (up to)2,048 GB vs 4,096 GB2×
  4. Refresh rate144 Hz vs 165 Hz+15%
  5. Weight2.3 kg vs 2.1 kg+10%
  6. CPU cores6 vs 8+33%
  7. HDRNo · Legion Slim 5 Gen 8 16 RTX 4070 (2023): Yes
  8. Max. supported RAM32 GB vs 64 GB2×
  9. Brightness300 nits vs 350 nits+17%
  10. CPU threads12 vs 16+33%
  11. Pixel density142 ppi vs 189 ppi+33%
Specifications

Side by side

Lenovo Legion Slim 5 Gen 8 16 RTX 4070 (2023)Lenovo Legion Slim 5 Gen 8 16 RTX 4070 (2023)7.4
Lenovo Legion Slim 5 Gen 9 16 RTX 4050 (2024)Lenovo Legion Slim 5 Gen 9 16 RTX 4050 (2024)7.3
Graphics
Graphics cardGeForce RTX 4070 LaptopGeForce RTX 4050 Laptop
GPU makerNVIDIANVIDIA
GPU power (TGP)140 W100 W
Video memory8 GB6 GB
Video memory typeGDDR6GDDR6
GPU shader cores4,6082,560
GPU compute (FP32)21.8 TFLOPS11.7 TFLOPS
3DMark Steel Nomad Light13,5237,945
Processor
ProcessorRyzen 5 7640HSRyzen 7 7735HS
CPU makerAMDAMD
CPU cores68
CPU threads1216
Max CPU clock5 GHz4.8 GHz
Processor optionsRyzen 5 7640HS, Ryzen 7 7840HSRyzen 7 7735HS, Ryzen 7 8845HS, Ryzen 9 8945HS
Geekbench 6 multi-core10,44710,114
Geekbench 6 single-core2,5282,192
Cinebench 2024 multi-core764741
Display
Screen size16″16″
Resolution1920 × 12002560 × 1600
Resolution classFull HD (1080p/1200p)QHD (1440p/1600p)
Refresh rate144 Hz165 Hz
Panel typeIPSIPS
Brightness300 nits350 nits
sRGB coverage—98%
Response time—3 ms
DCI-P3 coverage—100%
Pixel density142 ppi189 ppi
Aspect ratio16:1016:10
G-Sync / FreeSyncYesYes
Advanced OptimusNoNo
MUX switchYesYes
HDRNoYes
TouchscreenNoNo
Memory & storage
RAM (up to)32 GB64 GB
RAM (base)8 GB8 GB
RAM typeDDR5DDR5
RAM speed5,600 MHz5,600 MHz
Max. supported RAM32 GB64 GB
RAM slots22
Upgradable RAMYesYes
SSD (up to)2,048 GB4,096 GB
SSD (base)512 GB512 GB
M.2 SSD slots22
SSD interfacePCIe 4.0 x4PCIe 4.0 x4
Battery & power
Battery capacity80 Wh80 Wh
Power adapter230 W230 W
USB-C charging (Power Delivery)YesYes
Design & cooling
Weight2.3 kg2.1 kg
Thickness25.2 mm25.2 mm
Width359.7 mm359.7 mm
Depth260.3 mm260.5 mm
Body materialAluminium, PlasticAluminium, Plastic
ColoursGrayGray
Cooling fans22
Vapor chamber coolingNoNo
Liquid metal (CPU)NoNo
Fan noise (max. load)53.9 dB—
Ports & wireless
Thunderbolt or USB4NoNo
USB-C ports22
USB-A ports22
HDMIHDMI 2.1HDMI 2.1
HDMI 2.1YesYes
(Mini) DisplayPortNoNo
Ethernet portYesYes
SD card readerYesYes
3.5 mm audio jackYesYes
Wi-Fi standardWi-Fi 6EWi-Fi 6E
Bluetooth5.25.3
Keyboard & camera
Backlit keyboardYesYes
Numeric keypadYesYes
Key travel1.5 mm1.5 mm
Webcam1,080p1,080p
IR camera (face login)NoNo
Fingerprint readerNoNo
Audio
Speakers2.02.0
Dolby AtmosNoNo

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