
GeForce 8400M G vs GeForce 9300 GS

GeForce 8400M G
Popular choices:

GeForce 9300 GS
Popular choices:
Performance Spectrum - GPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. The GeForce 8400M G is positioned at rank #635 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce 8400M G
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce 8400M G is the superior choice for raw performance. It leads with a 2.9% higher G3D Mark score. However, the GeForce 9300 GS offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce 8400M G | GeForce 9300 GS |
|---|---|---|
| Performance | ✅Leading raw performance (+2.9%) | ❌Lower raw frame rates (-2.9%) |
| Longevity | 🛑Obsolete Architecture (2014 / Maxwell (2014−2017)) | 🛑Obsolete Architecture (2015 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
While current pricing data is unavailable, the GeForce 8400M G remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
Performance Check
Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.
Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.
Technical Specifications
Side-by-side comparison of GeForce 8400M G and GeForce 9300 GS

GeForce 8400M G
The GeForce 8400M G 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: 105 points.

GeForce 9300 GS
The GeForce 9300 GS is manufactured by NVIDIA. It was released in March 13 2015. It features the Maxwell architecture. The core clock ranges from 928 MHz to 941 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 102 points.
Graphics Performance
The GeForce 8400M G scores 105 and the GeForce 9300 GS reaches 102 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. The GeForce 8400M G is built on Maxwell while the GeForce 9300 GS uses Maxwell, both on a 28 nm process. Shader units: 384 (GeForce 8400M G) vs 384 (GeForce 9300 GS). Raw compute: 0.8632 TFLOPS (GeForce 8400M G) vs 0.7227 TFLOPS (GeForce 9300 GS). Boost clocks: 1124 MHz vs 941 MHz.
| Feature | GeForce 8400M G | GeForce 9300 GS |
|---|---|---|
| G3D Mark Score | 105+3% | 102 |
| Architecture | Maxwell | Maxwell |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.8632 TFLOPS+19% | 0.7227 TFLOPS |
| Boost Clock | 1124 MHz+19% | 941 MHz |
| ROPs | 8 | 8 |
| TMUs | 16 | 24+50% |
| L1 Cache | 192 KB | 192 KB |
| L2 Cache | 1 MB | 1 MB |
Advanced Features (DLSS/FSR)
| Feature | GeForce 8400M G | GeForce 9300 GS |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
The GeForce 8400M G comes with 128 MB of VRAM, while the GeForce 9300 GS has 256 MB. The GeForce 9300 GS offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.
| Feature | GeForce 8400M G | GeForce 9300 GS |
|---|---|---|
| VRAM Capacity | 0.125 GB | 0.25 GB+100% |
| 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 (GeForce 8400M G) vs 10.0 (GeForce 9300 GS). OpenGL: 3.3 vs 3.3. Maximum simultaneous displays: 2 vs 2.
| Feature | GeForce 8400M G | GeForce 9300 GS |
|---|---|---|
| DirectX | 11.1+11% | 10.0 |
| OpenGL | 3.3 | 3.3 |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: PureVideo HD (GeForce 8400M G) vs No (GeForce 9300 GS). Decoder: PureVideo HD vs PureVideo HD VP2. Supported codecs: MPEG-2,H.264 (GeForce 8400M G) vs MPEG-2,H.264 (GeForce 9300 GS).
| Feature | GeForce 8400M G | GeForce 9300 GS |
|---|---|---|
| Encoder | PureVideo HD | No |
| Decoder | PureVideo HD | PureVideo HD VP2 |
| Codecs | MPEG-2,H.264 | MPEG-2,H.264 |
Power & Dimensions
The GeForce 8400M G draws 33W versus the GeForce 9300 GS's 33W — a 0% difference. The GeForce 9300 GS is more power-efficient. Recommended PSU: 350W (GeForce 8400M G) vs 350W (GeForce 9300 GS). Power connectors: Legacy vs Legacy. Typical load temperature: 75°C vs 65°C.
| Feature | GeForce 8400M G | GeForce 9300 GS |
|---|---|---|
| TDP | 33W | 33W |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | Legacy |
| Length | — | 170mm |
| Height | — | 106mm |
| Slots | 0-100% | 1 |
| Temp (Load) | 75°C | 65°C-13% |
| Perf/Watt | 3.2+3% | 3.1 |
Value Analysis
The GeForce 8400M G launched at $50 MSRP and currently averages $20, while the GeForce 9300 GS launched at $0 and now averages $0. The GeForce 9300 GS costs 100+% less ($20 savings) at current market prices. Performance per dollar (G3D Mark / price): 5.3 (GeForce 8400M G) vs Infinity (GeForce 9300 GS) — the GeForce 9300 GS offers Infinity% better value. The GeForce 9300 GS is the newer GPU (2015 vs 2014).
| Feature | GeForce 8400M G | GeForce 9300 GS |
|---|---|---|
| MSRP | $50 | $0-100% |
| Avg Price (30d) | $20 | $0-100% |
| Performance per Dollar | 5.3 | Infinity |
| Codename | GM108 | GM108 |
| Release | March 12 2014 | March 13 2015 |
| Ranking | #854 | #810 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.















