
GeForce 840M vs GeForce 940M

GeForce 840M
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GeForce 940M
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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 840M is positioned at rank #352 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 840M
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce 940M is the superior choice for raw performance. It leads with a 3% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce 840M.
| Insight | GeForce 840M | GeForce 940M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-3%) | ✅Leading raw performance (+3%) |
| 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 (+0%) |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the GeForce 940M 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 840M and GeForce 940M

GeForce 840M
The GeForce 840M 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: 1,100 points.

GeForce 940M
The GeForce 940M is manufactured by NVIDIA. It was released in March 13 2015. It features the Maxwell architecture. The core clock ranges from 1072 MHz to 1176 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,133 points.
Graphics Performance
The GeForce 840M scores 1,100 and the GeForce 940M reaches 1,133 in the G3D Mark benchmark — just a 3% difference, making them near-identical in rasterization performance. The GeForce 840M is built on Maxwell while the GeForce 940M uses Maxwell, both on a 28 nm process. Shader units: 384 (GeForce 840M) vs 384 (GeForce 940M). Raw compute: 0.8632 TFLOPS (GeForce 840M) vs 0.9032 TFLOPS (GeForce 940M). Boost clocks: 1124 MHz vs 1176 MHz.
| Feature | GeForce 840M | GeForce 940M |
|---|---|---|
| G3D Mark Score | 1,100 | 1,133+3% |
| Architecture | Maxwell | Maxwell |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.8632 TFLOPS | 0.9032 TFLOPS+5% |
| Boost Clock | 1124 MHz | 1176 MHz+5% |
| 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 840M | GeForce 940M |
|---|---|---|
| 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)
Both cards feature 2 GB of GDDR5. Bus width: 128-bit vs 128-bit.
| Feature | GeForce 840M | GeForce 940M |
|---|---|---|
| VRAM Capacity | 2 GB | 2 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: 11.0 (GeForce 840M) vs 12 (11_0) (GeForce 940M). Vulkan: 1.2 vs 1.1. OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 1 vs 4.
| Feature | GeForce 840M | GeForce 940M |
|---|---|---|
| DirectX | 11.0 | 12 (11_0)+9% |
| Vulkan | 1.2+9% | 1.1 |
| OpenGL | 4.5 | 4.6+2% |
| Max Displays | 1 | 4+300% |
Media & Encoding
Hardware encoder: NVENC 2.0 (GeForce 840M) vs NVENC (Maxwell) (GeForce 940M). Decoder: PureVideo HD VP6 vs PureVideo HD (VP6). Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265 (GeForce 840M) vs H.264,H.265,VP9 (GeForce 940M).
| Feature | GeForce 840M | GeForce 940M |
|---|---|---|
| Encoder | NVENC 2.0 | NVENC (Maxwell) |
| Decoder | PureVideo HD VP6 | PureVideo HD (VP6) |
| Codecs | MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265 | H.264,H.265,VP9 |
Power & Dimensions
The GeForce 840M draws 33W versus the GeForce 940M's 33W — a 0% difference. The GeForce 940M is more power-efficient. Recommended PSU: 350W (GeForce 840M) vs 350W (GeForce 940M). Power connectors: Legacy vs Legacy. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 75°C vs 75.
| Feature | GeForce 840M | GeForce 940M |
|---|---|---|
| TDP | 33W | 33W |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | Legacy |
| Length | 0mm | 0mm |
| Height | 0mm | 0mm |
| Slots | 0 | 0 |
| Temp (Load) | 75°C | 75 |
| Perf/Watt | 33.3 | 34.3+3% |
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