
GeForce 840A vs GeForce 940A

GeForce 840A
Popular choices:

GeForce 940A
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. Components placed above yours deliver better value for money. The GeForce 840A is positioned at rank 349 and the GeForce 940A is on rank 320, so the GeForce 940A offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce 840A
Performance Per Dollar GeForce 940A
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce 840A is the superior choice for raw performance. It leads with a 0.7% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce 940A.
| Insight | GeForce 840A | GeForce 940A |
|---|---|---|
| Performance | ✅Leading raw performance (+0.7%) | ❌Lower raw frame rates (-0.7%) |
| 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
The GeForce 840A offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce 840A holds the technical lead. Priced at $25 (vs $80), it costs 69% less, resulting in a 222.3% higher cost efficiency score.
| Insight | GeForce 840A | GeForce 940A |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+222.3%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($25) | ⚠️Higher upfront cost ($80) |
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 840A and GeForce 940A

GeForce 840A
The GeForce 840A 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: 1,115 points.

GeForce 940A
The GeForce 940A is manufactured by NVIDIA. It was released in March 13 2015. 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: 1,107 points.
Graphics Performance
The GeForce 840A scores 1,115 and the GeForce 940A reaches 1,107 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The GeForce 840A is built on Maxwell while the GeForce 940A uses Maxwell, both on a 28 nm process. Shader units: 384 (GeForce 840A) vs 384 (GeForce 940A). Raw compute: 0.8632 TFLOPS (GeForce 840A) vs 0.8632 TFLOPS (GeForce 940A). Boost clocks: 1124 MHz vs 1124 MHz.
| Feature | GeForce 840A | GeForce 940A |
|---|---|---|
| G3D Mark Score | 1,115 | 1,107 |
| 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 840A | GeForce 940A |
|---|---|---|
| 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 512 MB of GDDR5. Bus width: 128-bit vs 128-bit.
| Feature | GeForce 840A | GeForce 940A |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 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: 12 (11_0) (GeForce 840A) vs 11.0 (GeForce 940A). Vulkan: 1.1 vs 1.2. OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 3 vs 1.
| Feature | GeForce 840A | GeForce 940A |
|---|---|---|
| DirectX | 12 (11_0)+9% | 11.0 |
| Vulkan | 1.1 | 1.2+9% |
| OpenGL | 4.5 | 4.6+2% |
| Max Displays | 3+200% | 1 |
Media & Encoding
Hardware encoder: NVENC (Maxwell) (GeForce 840A) vs NVENC 2 (GeForce 940A). Decoder: NVDEC (Maxwell) vs PureVideo HD VP6. Supported codecs: H.264,VC-1,MPEG-2 (GeForce 840A) vs MPEG-2,H.264,VC-1,MPEG-4 (GeForce 940A).
| Feature | GeForce 840A | GeForce 940A |
|---|---|---|
| Encoder | NVENC (Maxwell) | NVENC 2 |
| Decoder | NVDEC (Maxwell) | PureVideo HD VP6 |
| Codecs | H.264,VC-1,MPEG-2 | MPEG-2,H.264,VC-1,MPEG-4 |
Power & Dimensions
The GeForce 840A draws 33W versus the GeForce 940A's 33W — a 0% difference. The GeForce 940A is more power-efficient. Recommended PSU: 350W (GeForce 840A) vs 350W (GeForce 940A). Power connectors: Legacy vs Legacy. Typical load temperature: 75°C vs 75°C.
| Feature | GeForce 840A | GeForce 940A |
|---|---|---|
| TDP | 33W | 33W |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | Legacy |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | — | 0 |
| Temp (Load) | 75°C | 75°C |
| Perf/Watt | 33.8 | 33.5 |
Value Analysis
The GeForce 840A launched at $100 MSRP and currently averages $25, while the GeForce 940A launched at $80 and now averages $80. The GeForce 840A costs 68.8% less ($55 savings) at current market prices. Performance per dollar (G3D Mark / price): 44.6 (GeForce 840A) vs 13.8 (GeForce 940A) — the GeForce 840A offers 223.2% better value. The GeForce 940A is the newer GPU (2015 vs 2014).
| Feature | GeForce 840A | GeForce 940A |
|---|---|---|
| MSRP | $100 | $80-20% |
| Avg Price (30d) | $25-69% | $80 |
| Performance per Dollar | 44.6+223% | 13.8 |
| Codename | GM108 | GM108 |
| Release | March 17 2014 | March 13 2015 |
| Ranking | #850 | #853 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.












