
GeForce GT 640 Rev. 2 vs Radeon 610M

GeForce GT 640 Rev. 2
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Radeon 610M
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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 640 Rev. 2 is positioned at rank 109 and the Radeon 610M is on rank 346, 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 GeForce GT 640 Rev. 2
Performance Per Dollar Radeon 610M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon 610M is significantly newer (2023 vs 2013). The Radeon 610M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GT 640 Rev. 2 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The GeForce GT 640 Rev. 2 is the superior choice for raw performance. It leads with a 1% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon 610M.
| Insight | GeForce GT 640 Rev. 2 | Radeon 610M |
|---|---|---|
| Performance | ✅Leading raw performance (+1%) | ❌Lower raw frame rates (-1%) |
| Longevity | 🛑Obsolete Architecture (2013 / Kepler 2.0 (2013−2015)) | RDNA 2.0 (2020−2025) (5nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
While current pricing data is unavailable, the GeForce GT 640 Rev. 2 remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
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 610M

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 610M
The Radeon 610M is manufactured by AMD. It was released in January 3 2023. It features the RDNA 2.0 architecture. The core clock ranges from 400 MHz to 2200 MHz. It has 128 shading units. The thermal design power (TDP) is 15W. Manufactured using 5 nm process technology. It features 2 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 1,157 points.
Graphics Performance
The GeForce GT 640 Rev. 2 scores 1,168 and the Radeon 610M reaches 1,157 in the G3D Mark benchmark — just a 1% difference, making them near-identical in rasterization performance. The GeForce GT 640 Rev. 2 is built on Kepler 2.0 while the Radeon 610M uses RDNA 2.0, both on 28 nm vs 5 nm. Shader units: 384 (GeForce GT 640 Rev. 2) vs 128 (Radeon 610M). Raw compute: 0.8033 TFLOPS (GeForce GT 640 Rev. 2) vs 0.5632 TFLOPS (Radeon 610M).
| Feature | GeForce GT 640 Rev. 2 | Radeon 610M |
|---|---|---|
| G3D Mark Score | 1,168 | 1,157 |
| Architecture | Kepler 2.0 | RDNA 2.0 |
| Process Node | 28 nm | 5 nm |
| Shading Units | 384+200% | 128 |
| Compute (TFLOPS) | 0.8033 TFLOPS+43% | 0.5632 TFLOPS |
| ROPs | 8+100% | 4 |
| TMUs | 32+300% | 8 |
| L1 Cache | 32 KB | 32 KB |
| L2 Cache | 0.13 MB | 2 MB+1438% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 640 Rev. 2 | Radeon 610M |
|---|---|---|
| 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)
Both cards feature 512 MB of video memory. Bus width: 64-bit vs System. L2 Cache: 0.13 MB (GeForce GT 640 Rev. 2) vs 2 MB (Radeon 610M) — the Radeon 610M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 640 Rev. 2 | Radeon 610M |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 64-bit | System |
| L2 Cache | 0.13 MB | 2 MB+1438% |
Display & API Support
DirectX support: 12 (11_0) (GeForce GT 640 Rev. 2) vs 12 (12_2) (Radeon 610M). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 4.
| Feature | GeForce GT 640 Rev. 2 | Radeon 610M |
|---|---|---|
| DirectX | 12 (11_0) | 12 (12_2) |
| Vulkan | 1.2 | 1.3+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 3 | 4+33% |
Media & Encoding
Hardware encoder: NVENC (Kepler) (GeForce GT 640 Rev. 2) vs VCN 4.0 (Radeon 610M). Decoder: PureVideo HD 5 vs VCN 4.0. Supported codecs: H.264,MPEG-2,VC-1 (GeForce GT 640 Rev. 2) vs H.264,H.265,VP9,AV1 (Radeon 610M).
| Feature | GeForce GT 640 Rev. 2 | Radeon 610M |
|---|---|---|
| Encoder | NVENC (Kepler) | VCN 4.0 |
| Decoder | PureVideo HD 5 | VCN 4.0 |
| Codecs | H.264,MPEG-2,VC-1 | H.264,H.265,VP9,AV1 |
Power & Dimensions
The GeForce GT 640 Rev. 2 draws 49W versus the Radeon 610M's 15W — a 106.3% difference. The Radeon 610M is more power-efficient. Recommended PSU: 300W (GeForce GT 640 Rev. 2) vs 350W (Radeon 610M). Power connectors: None vs PCIe-powered.
| Feature | GeForce GT 640 Rev. 2 | Radeon 610M |
|---|---|---|
| TDP | 49W | 15W-69% |
| Recommended PSU | 300W-14% | 350W |
| Power Connector | None | PCIe-powered |
| Length | 145mm | — |
| Height | 111mm | — |
| Slots | 1 | — |
| Temp (Load) | 65 | — |
| Perf/Watt | 23.8 | 77.1+224% |
Value Analysis
The Radeon 610M is the newer GPU (2023 vs 2013).
| Feature | GeForce GT 640 Rev. 2 | Radeon 610M |
|---|---|---|
| MSRP | $99 | — |
| Avg Price (30d) | $99 | — |
| Codename | GK208 | Dragon Range |
| Release | May 29 2013 | January 3 2023 |
| Ranking | #786 | #843 |
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