Radeon R9 M265X vs GeForce GT 640 Rev. 2
Radeon R9 M265X
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GeForce GT 640 Rev. 2
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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. Components placed above yours deliver better value for money. The Radeon R9 M265X is positioned at rank 448 and the GeForce GT 640 Rev. 2 is on rank 109, so the GeForce GT 640 Rev. 2 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon R9 M265X
Performance Per Dollar GeForce GT 640 Rev. 2
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GT 640 Rev. 2 is the superior choice for raw performance. It leads with a 0.1% higher G3D Mark score. However, the Radeon R9 M265X offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon R9 M265X | GeForce GT 640 Rev. 2 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.1%) | ✅Leading raw performance (+0.1%) |
| Longevity | 🛑Obsolete Architecture (2014 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2013 / Kepler 2.0 (2013−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+700%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
The Radeon R9 M265X offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon R9 M265X holds the technical lead. Priced at $30 (vs $99), it costs 70% less, resulting in a 229.7% higher cost efficiency score.
| Insight | Radeon R9 M265X | GeForce GT 640 Rev. 2 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+229.7%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($30) | ⚠️Higher upfront cost ($99) |
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 Radeon R9 M265X and GeForce GT 640 Rev. 2
Radeon R9 M265X
The Radeon R9 M265X is manufactured by AMD. It was released in March 21 2014. It features the GCN 1.0 architecture. The core clock ranges from 575 MHz to 625 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,167 points.
GeForce GT 640 Rev. 2
The GeForce GT 640 Rev. 2 is manufactured by NVIDIA. It was released in May 29 2013. It features the Kepler 2.0 architecture. The core clock speed is 1046 MHz. It has 384 shading units. The thermal design power (TDP) is 49W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,168 points. Launch price was $89.
Graphics Performance
The Radeon R9 M265X scores 1,167 and the GeForce GT 640 Rev. 2 reaches 1,168 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The Radeon R9 M265X is built on GCN 1.0 while the GeForce GT 640 Rev. 2 uses Kepler 2.0, both on a 28 nm process. Shader units: 640 (Radeon R9 M265X) vs 384 (GeForce GT 640 Rev. 2). Raw compute: 0.8 TFLOPS (Radeon R9 M265X) vs 0.8033 TFLOPS (GeForce GT 640 Rev. 2).
| Feature | Radeon R9 M265X | GeForce GT 640 Rev. 2 |
|---|---|---|
| G3D Mark Score | 1,167 | 1,168 |
| Architecture | GCN 1.0 | Kepler 2.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 640+67% | 384 |
| Compute (TFLOPS) | 0.8 TFLOPS | 0.8033 TFLOPS |
| ROPs | 16+100% | 8 |
| TMUs | 40+25% | 32 |
| L1 Cache | 160 KB+400% | 32 KB |
| L2 Cache | 256 KB+100% | 128 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon R9 M265X | GeForce GT 640 Rev. 2 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The Radeon R9 M265X comes with 4 GB of VRAM, while the GeForce GT 640 Rev. 2 has 512 MB. The Radeon R9 M265X offers 700% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 256 KB (Radeon R9 M265X) vs 128 KB (GeForce GT 640 Rev. 2) — the Radeon R9 M265X has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R9 M265X | GeForce GT 640 Rev. 2 |
|---|---|---|
| VRAM Capacity | 4 GB+700% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 256 KB+100% | 128 KB |
Power & Dimensions
The Radeon R9 M265X draws 75W versus the GeForce GT 640 Rev. 2's 49W — a 41.9% difference. The GeForce GT 640 Rev. 2 is more power-efficient. Recommended PSU: 350W (Radeon R9 M265X) vs 300W (GeForce GT 640 Rev. 2). Power connectors: Mobile vs None.
| Feature | Radeon R9 M265X | GeForce GT 640 Rev. 2 |
|---|---|---|
| TDP | 75W | 49W-35% |
| Recommended PSU | 350W | 300W-14% |
| Power Connector | Mobile | None |
| Length | — | 145mm |
| Height | — | 111mm |
| Slots | — | 1 |
| Temp (Load) | — | 65 |
| Perf/Watt | 15.6 | 23.8+53% |
Value Analysis
The Radeon R9 M265X launched at $200 MSRP and currently averages $30, while the GeForce GT 640 Rev. 2 launched at $99 and now averages $99. The Radeon R9 M265X costs 69.7% less ($69 savings) at current market prices. Performance per dollar (G3D Mark / price): 38.9 (Radeon R9 M265X) vs 11.8 (GeForce GT 640 Rev. 2) — the Radeon R9 M265X offers 229.7% better value. The Radeon R9 M265X is the newer GPU (2014 vs 2013).
| Feature | Radeon R9 M265X | GeForce GT 640 Rev. 2 |
|---|---|---|
| MSRP | $200 | $99-51% |
| Avg Price (30d) | $30-70% | $99 |
| Performance per Dollar | 38.9+230% | 11.8 |
| Codename | Venus | GK208 |
| Release | March 21 2014 | May 29 2013 |
| Ranking | #839 | #786 |
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