CPU
GPU
GeForce GT 640 Rev. 2
Popular choices:
Radeon HD 7730
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 640 Rev. 2 is positioned at rank 109 and the Radeon HD 7730 is on rank 92, so the Radeon HD 7730 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 640 Rev. 2
Performance Per Dollar Radeon HD 7730
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 0.4% higher G3D Mark score. However, the Radeon HD 7730 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce GT 640 Rev. 2 | Radeon HD 7730 |
|---|---|---|
| Performance | ✅Leading raw performance (+0.4%) | ❌Lower raw frame rates (-0.4%) |
| Longevity | 🛑Obsolete Architecture (2013 / Kepler 2.0 (2013−2015)) | 🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020)) |
| 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
The Radeon HD 7730 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 7730 holds the technical lead. Priced at $15 (vs $99), it costs 85% less, resulting in a 557.2% higher cost efficiency score.
| Insight | GeForce GT 640 Rev. 2 | Radeon HD 7730 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+557.2%) |
| Upfront Cost | ⚠️Higher upfront cost ($99) | ✅More affordable ($15) |
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 640 Rev. 2 and Radeon HD 7730
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.
Radeon HD 7730
The Radeon HD 7730 is manufactured by AMD. It was released in May 1 2013. It features the GCN 1.0 architecture. The core clock speed is 800 MHz. It has 384 shading units. The thermal design power (TDP) is 47W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,163 points. Launch price was $59.
Graphics Performance
The GeForce GT 640 Rev. 2 scores 1,168 and the Radeon HD 7730 reaches 1,163 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The GeForce GT 640 Rev. 2 is built on Kepler 2.0 while the Radeon HD 7730 uses GCN 1.0, both on a 28 nm process. Shader units: 384 (GeForce GT 640 Rev. 2) vs 384 (Radeon HD 7730). Raw compute: 0.8033 TFLOPS (GeForce GT 640 Rev. 2) vs 0.6144 TFLOPS (Radeon HD 7730).
| Feature | GeForce GT 640 Rev. 2 | Radeon HD 7730 |
|---|---|---|
| G3D Mark Score | 1,168 | 1,163 |
| Architecture | Kepler 2.0 | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.8033 TFLOPS+31% | 0.6144 TFLOPS |
| ROPs | 8 | 8 |
| TMUs | 32+33% | 24 |
| L1 Cache | 32 KB | 96 KB+200% |
| L2 Cache | 128 KB | 256 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 640 Rev. 2 | Radeon HD 7730 |
|---|---|---|
| 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 640 Rev. 2 comes with 512 MB of VRAM, while the Radeon HD 7730 has 1 GB. The Radeon HD 7730 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit. L2 Cache: 128 KB (GeForce GT 640 Rev. 2) vs 256 KB (Radeon HD 7730) — the Radeon HD 7730 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 640 Rev. 2 | Radeon HD 7730 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 1 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 128 KB | 256 KB+100% |
Power & Dimensions
The GeForce GT 640 Rev. 2 draws 49W versus the Radeon HD 7730's 47W — a 4.2% difference. The Radeon HD 7730 is more power-efficient. Recommended PSU: 300W (GeForce GT 640 Rev. 2) vs 300W (Radeon HD 7730). Power connectors: None vs None.
| Feature | GeForce GT 640 Rev. 2 | Radeon HD 7730 |
|---|---|---|
| TDP | 49W | 47W-4% |
| Recommended PSU | 300W | 300W |
| Power Connector | None | None |
| Length | 145mm | — |
| Height | 111mm | — |
| Slots | 1 | — |
| Temp (Load) | 65 | — |
| Perf/Watt | 23.8 | 24.7+4% |
Value Analysis
The GeForce GT 640 Rev. 2 launched at $99 MSRP and currently averages $99, while the Radeon HD 7730 launched at $75 and now averages $15. The Radeon HD 7730 costs 84.8% less ($84 savings) at current market prices. Performance per dollar (G3D Mark / price): 11.8 (GeForce GT 640 Rev. 2) vs 77.5 (Radeon HD 7730) — the Radeon HD 7730 offers 556.8% better value.
| Feature | GeForce GT 640 Rev. 2 | Radeon HD 7730 |
|---|---|---|
| MSRP | $99 | $75-24% |
| Avg Price (30d) | $99 | $15-85% |
| Performance per Dollar | 11.8 | 77.5+557% |
| Codename | GK208 | Cape Verde |
| Release | May 29 2013 | May 1 2013 |
| Ranking | #786 | #841 |
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The most powerful gpus ranked by G3D Mark benchmark scores.
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