GeForce GT 640M vs Radeon HD 6750M
GeForce GT 640M
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Radeon HD 6750M
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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 GeForce GT 640M is positioned at rank 224 and the Radeon HD 6750M is on rank 236, 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 HD 6750M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 6750M is the superior choice for raw performance. It leads with a 3.3% higher G3D Mark score. However, the GeForce GT 640M offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce GT 640M | Radeon HD 6750M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-3.3%) | ✅Leading raw performance (+3.3%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | Normal Efficiency | Normal Efficiency |
| 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 $60), it costs 17% less, resulting in a 16.2% higher cost efficiency score.
| Insight | GeForce GT 640M | Radeon HD 6750M |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+16.2%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($50) | ⚠️Higher upfront cost ($60) |
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 HD 6750M
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 HD 6750M
The Radeon HD 6750M is manufactured by AMD. It was released in January 4 2011. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 35W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 937 points.
Graphics Performance
The GeForce GT 640M scores 907 and the Radeon HD 6750M reaches 937 in the G3D Mark benchmark — just a 3.3% difference, making them near-identical in rasterization performance. The GeForce GT 640M is built on Kepler while the Radeon HD 6750M uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 384 (GeForce GT 640M) vs 480 (Radeon HD 6750M). Raw compute: 0.48 TFLOPS (GeForce GT 640M) vs 0.576 TFLOPS (Radeon HD 6750M).
| Feature | GeForce GT 640M | Radeon HD 6750M |
|---|---|---|
| G3D Mark Score | 907 | 937+3% |
| Architecture | Kepler | TeraScale 2 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 384 | 480+25% |
| Compute (TFLOPS) | 0.48 TFLOPS | 0.576 TFLOPS+20% |
| ROPs | 16+100% | 8 |
| TMUs | 32+33% | 24 |
| L1 Cache | 32 KB | 48 KB+50% |
| L2 Cache | 256 KB | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 640M | Radeon HD 6750M |
|---|---|---|
| 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 HD 6750M has 1 GB. The GeForce GT 640M offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System.
| Feature | GeForce GT 640M | Radeon HD 6750M |
|---|---|---|
| VRAM Capacity | 2 GB+100% | 1 GB |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
| L2 Cache | 256 KB | 256 KB |
Power & Dimensions
The GeForce GT 640M draws 32W versus the Radeon HD 6750M's 35W — a 9% difference. The GeForce GT 640M is more power-efficient. Recommended PSU: 350W (GeForce GT 640M) vs 350W (Radeon HD 6750M). Power connectors: PCIe-powered vs 1x 6-pin.
| Feature | GeForce GT 640M | Radeon HD 6750M |
|---|---|---|
| TDP | 32W-9% | 35W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | — |
| Temp (Load) | 70°C | — |
| Perf/Watt | 28.3+6% | 26.8 |
Value Analysis
The GeForce GT 640M costs 16.7% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 18.1 (GeForce GT 640M) vs 15.6 (Radeon HD 6750M) — the GeForce GT 640M offers 16% better value. The GeForce GT 640M is the newer GPU (2012 vs 2011).
| Feature | GeForce GT 640M | Radeon HD 6750M |
|---|---|---|
| Avg Price (30d) | $50-17% | $60 |
| Performance per Dollar | 18.1+16% | 15.6 |
| Codename | GK107 | Whistler |
| Release | March 22 2012 | January 4 2011 |
| Ranking | #909 | #905 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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