
GeForce 8400 SE

GeForce 8400M GT
GeForce 8400 SE vs GeForce 8400M GT Performance Spectrum
About G3D Mark
G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.
GeForce 8400 SE vs GeForce 8400M GT FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
GeForce 8400 SE vs GeForce 8400M GT: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GeForce 8400 SE
2014Why buy it
- ✅100% more VRAM for high-resolution textures and newer games (512 MB vs 256 MB).
- ✅More future proof: Maxwell (2014−2017) on 28nm with a newer platform for upcoming games.
Trade-offs
- ❌2014 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
GeForce 8400M GT
2014Why buy it
- ✅Competitive enough if your priority is price, power, or specific feature preference.
Trade-offs
- ❌Less VRAM, with 256 MB vs 512 MB for high-resolution textures and newer games.
- ❌2014 hardware with 256 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Quick Answers
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GeForce 8400 SE vs GeForce 8400M GT Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce 8400 SE
The GeForce 8400 SE is manufactured by NVIDIA. It was released in March 17 2014. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 68 points.

GeForce 8400M GT
The GeForce 8400M GT is manufactured by NVIDIA. It was released in March 12 2014. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 67 points.
Graphics Performance
The GeForce 8400 SE scores 68 and the GeForce 8400M GT reaches 67 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The GeForce 8400 SE is built on Maxwell while the GeForce 8400M GT uses Maxwell, both on a 28 nm process. Shader units: 384 (GeForce 8400 SE) vs 384 (GeForce 8400M GT). Raw compute: 0.8632 TFLOPS (GeForce 8400 SE) vs 0.8632 TFLOPS (GeForce 8400M GT). Boost clocks: 1124 MHz vs 1124 MHz.
| Feature | GeForce 8400 SE | GeForce 8400M GT |
|---|---|---|
| G3D Mark Score | 68+1% | 67 |
| Architecture | Maxwell | Maxwell |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.8632 TFLOPS | 0.8632 TFLOPS |
| Boost Clock | 1124 MHz | 1124 MHz |
| ROPs | 8 | 8 |
| TMUs | 16 | 16 |
| L1 Cache | 192 KB | 192 KB |
| L2 Cache | 1 MB | 1 MB |
Advanced Features (DLSS/FSR)
| Feature | GeForce 8400 SE | GeForce 8400M GT |
|---|---|---|
| Upscaling Tech | Upscaling support | Upscaling support |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | NVIDIA Reflex |
Video Memory (VRAM)
The GeForce 8400 SE has 512 MB of VRAM, while the GeForce 8400M GT carries 256 MB. GeForce 8400 SE gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce 8400 SE and 128-bit on the GeForce 8400M GT.
| Feature | GeForce 8400 SE | GeForce 8400M GT |
|---|---|---|
| VRAM Capacity | 0.5 GB+100% | 0.25 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 1 MB | 1 MB |
Display & API Support
DirectX support: 11.1 (10_0) (GeForce 8400 SE) vs 10.0 (GeForce 8400M GT). Vulkan: N/A vs None. OpenGL: 3.3 vs 3.3. Maximum simultaneous displays: 2 vs 1.
| Feature | GeForce 8400 SE | GeForce 8400M GT |
|---|---|---|
| DirectX | 11.1 (10_0)+11% | 10.0 |
| Vulkan | N/A | None |
| OpenGL | 3.3 | 3.3 |
| Max Displays | 2+100% | 1 |
Media & Encoding
Hardware encoder: None (GeForce 8400 SE) vs No (GeForce 8400M GT). Decoder: VP2 vs PureVideo HD VP2. Supported codecs: H.264,MPEG-2,VC-1 (GeForce 8400 SE) vs MPEG-2,H.264,VC-1 (GeForce 8400M GT).
| Feature | GeForce 8400 SE | GeForce 8400M GT |
|---|---|---|
| Encoder | None | No |
| Decoder | VP2 | PureVideo HD VP2 |
| Codecs | H.264,MPEG-2,VC-1 | MPEG-2,H.264,VC-1 |
Power & Dimensions
The GeForce 8400 SE draws 33W versus the GeForce 8400M GT's 33W — a 0% difference. The GeForce 8400M GT is more power-efficient. Recommended PSU: 350W (GeForce 8400 SE) vs 350W (GeForce 8400M GT). Power connectors: Legacy vs Legacy. Card length: 168mm vs 0mm, occupying 1 vs 0 slots. Typical load temperature: 85 vs 75°C.
| Feature | GeForce 8400 SE | GeForce 8400M GT |
|---|---|---|
| TDP | 33W | 33W |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | Legacy |
| Length | 168mm | 0mm |
| Height | 69mm | 0mm |
| Slots | 1 | 0-100% |
| Temp (Load) | 85 | 75°C-12% |
| Perf/Watt | 2.1+5% | 2.0 |
Value Analysis
At launch, the GeForce 8400 SE came in at $50, while the GeForce 8400M GT launched at $50. Performance per dollar on MSRP (G3D Mark / MSRP): 1.4 (GeForce 8400 SE) vs 1.3 (GeForce 8400M GT) — the GeForce 8400 SE offers 7.7% better value.
| Feature | GeForce 8400 SE | GeForce 8400M GT |
|---|---|---|
| MSRP | $50 | $50 |
| Performance per Dollar | 1.4+8% | 1.3 |
| Codename | GM108 | GM108 |
| Release | March 17 2014 | March 12 2014 |
| Ranking | #850 | #854 |
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