Radeon HD 7640G vs GeForce GT 320
Radeon HD 7640G
Popular choices:
GeForce GT 320
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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 HD 7640G is positioned at rank 380 and the GeForce GT 320 is on rank 201, so the GeForce GT 320 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon HD 7640G
Performance Per Dollar GeForce GT 320
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GT 320 is the superior choice for raw performance. It leads with a 3.5% higher G3D Mark score and 100% more VRAM (1 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 7640G.
| Insight | Radeon HD 7640G | GeForce GT 320 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-3.5%) | ✅Leading raw performance (+3.5%) |
| Longevity | 🛑Obsolete Architecture (2012 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2017 / Pascal (2016−2021)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce GT 320 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GT 320 holds the technical lead. Priced at $30 (vs $50), it costs 40% less, resulting in a 72.5% higher cost efficiency score.
| Insight | Radeon HD 7640G | GeForce GT 320 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+72.5%) |
| Upfront Cost | ⚠️Higher upfront cost ($50) | ✅More affordable ($30) |
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 HD 7640G and GeForce GT 320
Radeon HD 7640G
The Radeon HD 7640G is manufactured by AMD. It was released in January 5 2012. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 454 points.
GeForce GT 320
The GeForce GT 320 is manufactured by NVIDIA. It was released in May 17 2017. It features the Pascal architecture. The core clock ranges from 1228 MHz to 1468 MHz. It has 384 shading units. The thermal design power (TDP) is 30W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 470 points. Launch price was $79.
Graphics Performance
The Radeon HD 7640G scores 454 and the GeForce GT 320 reaches 470 in the G3D Mark benchmark — just a 3.5% difference, making them near-identical in rasterization performance. The Radeon HD 7640G is built on TeraScale 2 while the GeForce GT 320 uses Pascal, both on 40 nm vs 14 nm. Shader units: 480 (Radeon HD 7640G) vs 384 (GeForce GT 320). Raw compute: 0.576 TFLOPS (Radeon HD 7640G) vs 1.127 TFLOPS (GeForce GT 320).
| Feature | Radeon HD 7640G | GeForce GT 320 |
|---|---|---|
| G3D Mark Score | 454 | 470+4% |
| Architecture | TeraScale 2 | Pascal |
| Process Node | 40 nm | 14 nm |
| Shading Units | 480+25% | 384 |
| Compute (TFLOPS) | 0.576 TFLOPS | 1.127 TFLOPS+96% |
| ROPs | 8 | 16+100% |
| TMUs | 24 | 24 |
| L1 Cache | 48 KB | 144 KB+200% |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7640G | GeForce GT 320 |
|---|---|---|
| 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 HD 7640G comes with 512 MB of VRAM, while the GeForce GT 320 has 1 GB. The GeForce GT 320 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 256 KB (Radeon HD 7640G) vs 512 KB (GeForce GT 320) — the GeForce GT 320 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7640G | GeForce GT 320 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 1 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 256 KB | 512 KB+100% |
Display & API Support
DirectX support: 11 (11_0) (Radeon HD 7640G) vs 10.1 (GeForce GT 320). OpenGL: 4.4 vs 3.3. Maximum simultaneous displays: 2 vs 2.
| Feature | Radeon HD 7640G | GeForce GT 320 |
|---|---|---|
| DirectX | 11 (11_0)+9% | 10.1 |
| OpenGL | 4.4+33% | 3.3 |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: VCE 1.0 (Radeon HD 7640G) vs None (GeForce GT 320). Decoder: UVD 3.2 vs PureVideo HD (VP4). Supported codecs: H.264,VC-1,MPEG-2,DivX (Radeon HD 7640G) vs H.264,VC-1,MPEG-2 (GeForce GT 320).
| Feature | Radeon HD 7640G | GeForce GT 320 |
|---|---|---|
| Encoder | VCE 1.0 | None |
| Decoder | UVD 3.2 | PureVideo HD (VP4) |
| Codecs | H.264,VC-1,MPEG-2,DivX | H.264,VC-1,MPEG-2 |
Power & Dimensions
The Radeon HD 7640G draws 45W versus the GeForce GT 320's 30W — a 40% difference. The GeForce GT 320 is more power-efficient. Recommended PSU: 350W (Radeon HD 7640G) vs 250W (GeForce GT 320). Power connectors: 1x 6-pin vs None. Typical load temperature: 70°C vs 75.
| Feature | Radeon HD 7640G | GeForce GT 320 |
|---|---|---|
| TDP | 45W | 30W-33% |
| Recommended PSU | 350W | 250W-29% |
| Power Connector | 1x 6-pin | None |
| Length | — | 175mm |
| Height | — | 111mm |
| Slots | 0-100% | 1 |
| Temp (Load) | 70°C-7% | 75 |
| Perf/Watt | 10.1 | 15.7+55% |
Value Analysis
The Radeon HD 7640G launched at $50 MSRP and currently averages $50, while the GeForce GT 320 launched at $79 and now averages $30. The GeForce GT 320 costs 40% less ($20 savings) at current market prices. Performance per dollar (G3D Mark / price): 9.1 (Radeon HD 7640G) vs 15.7 (GeForce GT 320) — the GeForce GT 320 offers 72.5% better value. The GeForce GT 320 is the newer GPU (2017 vs 2012).
| Feature | Radeon HD 7640G | GeForce GT 320 |
|---|---|---|
| MSRP | $50-37% | $79 |
| Avg Price (30d) | $50 | $30-40% |
| Performance per Dollar | 9.1 | 15.7+73% |
| Codename | Turks | GP108 |
| Release | January 5 2012 | May 17 2017 |
| Ranking | #870 | #641 |
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