Lenovo / ThinkPad / X Series
ThinkPad X13 Gen 4 (AMD)
ThinkPad X13 Gen 4 (AMD) is a 13.3-inch notebook in the X Series family.
- Scope
- Product generation / platformPSREF verified
- Machine Type
- 21J3 / 21J4
- Model / MTM
- 7672Official Models verifiedDirect specifications: 21J30000JP
Buying and service essentials
Verified in official sourcesCheck before buying
- Model / MTM
- 1 exact specifications recorded7672 Models entries verified
- CPU / GPU
- AMD Ryzen 5 / Ryzen 7 Processor3 CPU options / AMD Radeon 740M / AMD Radeon 780M / Platform options / integrated GPU varies by CPU / this PSREF does not list a dGPU option
- Display
- 13.3-inch / 1920x12003 platform options / Multi-touch / Non-touch
- WWAN
- Configuration-dependentRetrofit conditions apply
Upgrades and repair
- Memory
- LPDDR5X-6400 / SolderedSO-DIMM: 0 / maximum 32 GB
- Storage
- M.2 2280 SSDPCIe NVMe 4.0 x4 / PCIe NVMe 4.0 x4 Performance / Maximum simultaneous devices 1 device(s)
- Power
- USB-C Power Delivery 3.0AC adapter: 45 W / 65 W
- Parts / service
- Not collectedHMM verified / Key procedures verified
Motherboard and slot topology
?
Shows the strength of the supporting evidence. It is not a performance score or recommendation. Full sources appear in the Evidence section below.
- Memory implementation
- LPDDR5X-6400 / Soldered / SO-DIMM: 0
- Storage form factor
- M.2 2280 SSD
- Maximum simultaneous devices
- 1 device(s)
Specifications
CPU
CPU options for this platform / AMDAMD Ryzen 5 / Ryzen 7 Processor
| CPU | Integrated GPU | Cores / threads | Base frequency | Max frequency |
|---|---|---|---|---|
| AMD Ryzen 5 PRO 7540UOpen external site in a new tab | AMD Radeon 740M | 6 / 12 | 3.20 GHz | 4.90 GHz |
| AMD Ryzen 5 PRO 7545UOpen external site in a new tab | AMD Radeon 740M | 6 / 12 | 3.20 GHz | 4.90 GHz |
| AMD Ryzen 7 PRO 7840UOpen external site in a new tab | AMD Radeon 780M | 8 / 16 | 3.30 GHz | 5.10 GHz |
NPU
| NPU | Applicable CPU | NPU performance | Overall platform performance |
|---|---|---|---|
| AMDAMD Ryzen AI | AMD Ryzen 7 PRO 7840U | Up to 10 TOPS | Not recorded |
- Only for the models with AMD Ryzen 7 PRO 7840U processor.
These are PSREF platform options, not the NPU installed in an individual Model / MTM. Overall platform performance is distinct from NPU-only performance.
Memory
- Type
- LPDDR5X-6400
- Maximum capacity
- 32 GB
- Physical slots
- 0
- Implementation
- LPDDR5X-6400 / Soldered
- Upgrade / replacement
- Not recorded
- Capacity options
- 16 GB / 32 GB
- Configuration constraints
- Memory soldered to systemboard, no slots, dual-channel
- Installed memory is actually LPDDR5X-7500 but runs as LPDDR5X-6400 due to platform limitation.
Check the board layout in the HMMOpen external site in a new tab
Storage
- Interface and form factor
- PCIe NVMe 4.0 x4 / PCIe NVMe 4.0 x4 Performance
- Supported form factors
- M.2 2280 SSD
- Physical slots
- 1
- Maximum simultaneous devices
- 1 device(s)
- Upgrade / replacement
- Not recorded
- Configuration constraints / exclusions
- One drive, up to 2TB M.2 2280 SSD
- One M.2 2280 PCIe 4.0 x4 slot
Check the SSD replacement procedure in the HMMOpen external site in a new tab
Display
- Size
- 13.3-inch
- Platform configuration options
configuration Resolution Touch Panel / brightness Surface / features WUXGA IPS touch
13.3-inch1920x1200 Multi-touch IPS / 300 nits anti-glare WUXGA IPS
13.3-inch1920x1200 Non-touch IPS / 300 nits anti-glare WUXGA IPS low power
13.3-inch1920x1200 Non-touch IPS / 400 nits anti-glare / Low power / Eyesafe Certified 2.0
Battery architecture
- Architecture
- Internal
- Explicit count
- 1
| Placement | Position | Optional | Chemistry | Cell options | Capacity options |
|---|---|---|---|---|---|
| Internal | Not recorded | Not recorded | Li-ion | Not recorded | 41 Wh / 54.7 Wh |
Each row is a platform configuration option. Simultaneous installation is not inferred.
Power and AC adapter
- Connector
- USB-C Power Delivery 3.0
- Wattage
- 45 W / 65 W
Wireless and WWAN
- WLAN options
- MediaTek Wi-Fi 6E RZ616, 802.11ax 2x2 Wi-Fi + Bluetooth 5.3
- Qualcomm Wi-Fi 6E NFA725A, 802.11ax 2x2 Wi-Fi + Bluetooth 5.3
- WWAN
- Configuration-dependent
- Retrofit / conditions
- Retrofit conditions apply
- WWAN options
- Wireless WAN upgradable to 4G (with antenna ready)
- Quectel EM05-G, 4G LTE CAT4, M.2 card, with embedded eSIM functionality
- Fibocom L860-GL-16, 4G LTE CAT16, M.2 card, with embedded eSIM functionality
- No support
- Notes
- Wireless WAN upgradable to 4G is only available in EMEA.
Ports and docking
- Ports
- 1x USB 3.2 Gen 1
- 1x USB 3.2 Gen 1 (Always On)
- 2x USB4 40Gbps (support data transfer, Power Delivery 3.0 and DisplayPort 1.4a)
- 1x HDMI 2.1, up to 4K/60Hz
- 1x Headphone / microphone combo jack (3.5mm)
- 1x Nano-SIM card slot (WWAN support models)
- 1x Smart card reader
- Docking support
- Various docking solutions supported via USB-C.
Dimensions and weight
- All models
- 301.7 × 214.8 × 15.95 mm
- Models with deep black CFRP top cover
- 1.14 kg / Starting weight
- Models with carbon fiber hybrid top cover
- 1.19 kg / Starting weight
- Models with aluminium top cover
- 1.3 kg / Starting weight
Official maintenance documentation and key procedures
- ThinkPad X13 Gen 4 and ThinkPad X13 Yoga Gen 4 Hardware Maintenance ManualOpen external site in a new tabScope: Combined Hardware Maintenance Manual applicable to ThinkPad X13 Gen 4 Intel Machine Types 21EX and 21EY, ThinkPad X13 Gen 4 AMD Machine Types 21J3 and 21J4, and ThinkPad X13 Yoga Gen 4 Machine Types 21F2 and 21F3
Key procedures
- Base cover
- p.75–76
- M.2 SSD
- p.78–79
- Built-in battery
- p.82–83
- Display assembly
- p.104–105
- Keyboard
- p.105–106
Part number information
Part numbers and their relationships to this product or model are shown when verified in official Lenovo sources.
Official Model-listed parts
Not collectedKATABAN.FYI has not yet collected official Model-listed parts for this product. This is not evidence that no compatible parts exist.
Model / MTM
7672Codes listed in Lenovo Models identify a relationship to this product. They do not establish exact CPU, memory, storage or other configuration details.
- Model / MTM codes verified in official sources
- 7672
- Exact configuration data
- 1
Enter a code to search the official Lenovo Models data for this product.
Model / MTM with recorded exact specifications
Exact specifications recordedThese are sold configurations listed in Lenovo Models. They are not serial-number or as-built configurations. Each value comes directly from the applicable Model / MTM row.
| Model / MTM | Machine Type | Region / Country/Region | Processor | Graphics | Memory | Storage | Display | Touchscreen | WLAN / Bluetooth | WWAN | OS | Official evidence |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
21J30000JP | 21J3 | JAPAN / Japan | AMD Ryzen 5 PRO 7540U (6C / 12T, 3.2 / 4.9GHz, 6MB L2 / 16MB L3) | Integrated AMD Radeon 740M Graphics | 16GB Soldered LPDDR5X-6400 | 256GB SSD M.2 2280 PCIe 4.0x4 NVMe Opal 2.0 | 13.3" WUXGA (1920x1200) IPS 300nits Anti-glare, 100% sRGB | None | Qualcomm Wi-Fi 6E NFA725A, 802.11ax 2x2 + BT5.3 | WWAN Not Supported | Windows 11 DG Windows 10 Pro 64, Japanese | Lenovo Models |
Evidence
3 sources. Of 13 product claims, 13 are verified with high confidence.This page covers PSREF platform information and identifiers listed in Lenovo Models. Exact MTM specifications and parts relationships have not been collected. Procedure coverage in official maintenance documentation is audited per product for major components.