CPU
GPU
GeForce GT 640M
Popular choices:
Radeon R7 M440
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 GT 640M is positioned at rank 224 and the Radeon R7 M440 is on rank 586, so the GeForce GT 640M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce GT 640M
Performance Per Dollar Radeon R7 M440
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GT 640M is the superior choice for raw performance. It leads with a 0.7% higher G3D Mark score and 300% more VRAM (2 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R7 M440.
| Insight | GeForce GT 640M | Radeon R7 M440 |
|---|---|---|
| Performance | ✅Leading raw performance (+0.7%) | ❌Lower raw frame rates (-0.7%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2016 / GCN 3.0 (2014−2019)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+300%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | — |
💎 Value Proposition
The GeForce GT 640M offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GT 640M holds the technical lead. Priced at $50 (vs $300), it costs 83% less, resulting in a 504% higher cost efficiency score.
| Insight | GeForce GT 640M | Radeon R7 M440 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+504%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($50) | ⚠️Higher upfront cost ($300) |
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 GT 640M and Radeon R7 M440
GeForce GT 640M
The GeForce GT 640M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from Up to 625 MHz to 645 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 907 points.
Radeon R7 M440
The Radeon R7 M440 is manufactured by AMD. It was released in May 15 2016. It features the GCN 3.0 architecture. The core clock speed is 891 MHz. It has 320 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 901 points.
Graphics Performance
The GeForce GT 640M scores 907 and the Radeon R7 M440 reaches 901 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The GeForce GT 640M is built on Kepler while the Radeon R7 M440 uses GCN 3.0, both on a 28 nm process. Shader units: 384 (GeForce GT 640M) vs 320 (Radeon R7 M440). Raw compute: 0.48 TFLOPS (GeForce GT 640M) vs 0.5702 TFLOPS (Radeon R7 M440).
| Feature | GeForce GT 640M | Radeon R7 M440 |
|---|---|---|
| G3D Mark Score | 907 | 901 |
| Architecture | Kepler | GCN 3.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384+20% | 320 |
| Compute (TFLOPS) | 0.48 TFLOPS | 0.5702 TFLOPS+19% |
| ROPs | 16+100% | 8 |
| TMUs | 32+60% | 20 |
| L1 Cache | 32 KB | 80 KB+150% |
| L2 Cache | 256 KB+100% | 128 KB |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 640M | Radeon R7 M440 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GT 640M comes with 2 GB of VRAM, while the Radeon R7 M440 has 512 MB. The GeForce GT 640M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 256 KB (GeForce GT 640M) vs 128 KB (Radeon R7 M440) — the GeForce GT 640M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 640M | Radeon R7 M440 |
|---|---|---|
| VRAM Capacity | 2 GB+300% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 256 KB+100% | 128 KB |
Display & API Support
DirectX support: 11.0 (GeForce GT 640M) vs 12 (Radeon R7 M440). Vulkan: 1.1 vs 1.2. OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 1 vs 2.
| Feature | GeForce GT 640M | Radeon R7 M440 |
|---|---|---|
| DirectX | 11.0 | 12+9% |
| Vulkan | 1.1 | 1.2+9% |
| OpenGL | 4.5 | 4.6+2% |
| Max Displays | 1 | 2+100% |
Media & Encoding
Hardware encoder: NVENC 1.0 (GeForce GT 640M) vs VCE 3.0 (Radeon R7 M440). Decoder: PureVideo HD VP5 vs UVD 6.0. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 640M) vs H.264,H.265 (HEVC),MPEG-4,VC-1,MPEG-2 (Radeon R7 M440).
| Feature | GeForce GT 640M | Radeon R7 M440 |
|---|---|---|
| Encoder | NVENC 1.0 | VCE 3.0 |
| Decoder | PureVideo HD VP5 | UVD 6.0 |
| Codecs | MPEG-2,H.264,VC-1,MPEG-4 ASP | H.264,H.265 (HEVC),MPEG-4,VC-1,MPEG-2 |
Power & Dimensions
The GeForce GT 640M draws 32W versus the Radeon R7 M440's 75W — a 80.4% difference. The GeForce GT 640M is more power-efficient. Recommended PSU: 350W (GeForce GT 640M) vs 350W (Radeon R7 M440). Power connectors: PCIe-powered vs Mobile. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 70°C vs 75°C.
| Feature | GeForce GT 640M | Radeon R7 M440 |
|---|---|---|
| TDP | 32W-57% | 75W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | Mobile |
| Length | 0mm | 0mm |
| Height | 0mm | 0mm |
| Slots | 0 | 0 |
| Temp (Load) | 70°C-7% | 75°C |
| Perf/Watt | 28.3+136% | 12.0 |
Value Analysis
The GeForce GT 640M costs 83.3% less ($250 savings) at current market prices. Performance per dollar (G3D Mark / price): 18.1 (GeForce GT 640M) vs 3.0 (Radeon R7 M440) — the GeForce GT 640M offers 503.3% better value. The Radeon R7 M440 is the newer GPU (2016 vs 2012).
| Feature | GeForce GT 640M | Radeon R7 M440 |
|---|---|---|
| MSRP | — | $300 |
| Avg Price (30d) | $50-83% | $300 |
| Performance per Dollar | 18.1+503% | 3.0 |
| Codename | GK107 | Meso |
| Release | March 22 2012 | May 15 2016 |
| Ranking | #909 | #912 |
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