
Radeon HD 8500M vs Radeon HD 7640G

Radeon HD 8500M
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Radeon HD 7640G
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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 8500M is positioned at rank 498 and the Radeon HD 7640G is on rank 380, so the Radeon HD 7640G 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 8500M
Performance Per Dollar Radeon HD 7640G
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 7640G is the superior choice for raw performance. It leads with a 1.6% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 8500M.
| Insight | Radeon HD 8500M | Radeon HD 7640G |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.6%) | ✅Leading raw performance (+1.6%) |
| Longevity | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2012 / TeraScale 2 (2009−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 7640G 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 Radeon HD 8500M and Radeon HD 7640G

Radeon HD 8500M
The Radeon HD 8500M is manufactured by AMD. It was released in April 24 2012. It features the GCN 1.0 architecture. The core clock speed is 675 MHz. It has 640 shading units. The thermal design power (TDP) is 40W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 447 points.

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.
Graphics Performance
The Radeon HD 8500M scores 447 and the Radeon HD 7640G reaches 454 in the G3D Mark benchmark — just a 1.6% difference, making them near-identical in rasterization performance. The Radeon HD 8500M is built on GCN 1.0 while the Radeon HD 7640G uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 640 (Radeon HD 8500M) vs 480 (Radeon HD 7640G). Raw compute: 0.864 TFLOPS (Radeon HD 8500M) vs 0.576 TFLOPS (Radeon HD 7640G).
| Feature | Radeon HD 8500M | Radeon HD 7640G |
|---|---|---|
| G3D Mark Score | 447 | 454+2% |
| Architecture | GCN 1.0 | TeraScale 2 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 640+33% | 480 |
| Compute (TFLOPS) | 0.864 TFLOPS+50% | 0.576 TFLOPS |
| ROPs | 16+100% | 8 |
| TMUs | 40+67% | 24 |
| L1 Cache | 160 KB+233% | 48 KB |
| L2 Cache | 256 KB | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 8500M | Radeon HD 7640G |
|---|---|---|
| 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 | AMD Anti-Lag |
Video Memory (VRAM)
Both cards feature 512 MB of video memory. Bus width: System vs 128-bit.
| Feature | Radeon HD 8500M | Radeon HD 7640G |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
| L2 Cache | 256 KB | 256 KB |
Display & API Support
DirectX support: 11.1 (11_0) (Radeon HD 8500M) vs 11 (11_0) (Radeon HD 7640G). OpenGL: 4.6 vs 4.4. Maximum simultaneous displays: 2 vs 2.
| Feature | Radeon HD 8500M | Radeon HD 7640G |
|---|---|---|
| DirectX | 11.1 (11_0) | 11 (11_0) |
| OpenGL | 4.6+5% | 4.4 |
| Max Displays | 2 | 2 |
Media & Encoding
Decoder: UVD 3.0 vs UVD 3.2. Supported codecs: H.264,VC-1,MPEG-2,MPEG-4 Part 2 (Radeon HD 8500M) vs H.264,VC-1,MPEG-2,DivX (Radeon HD 7640G).
| Feature | Radeon HD 8500M | Radeon HD 7640G |
|---|---|---|
| Encoder | — | VCE 1.0 |
| Decoder | UVD 3.0 | UVD 3.2 |
| Codecs | H.264,VC-1,MPEG-2,MPEG-4 Part 2 | H.264,VC-1,MPEG-2,DivX |
Power & Dimensions
The Radeon HD 8500M draws 40W versus the Radeon HD 7640G's 45W — a 11.8% difference. The Radeon HD 8500M is more power-efficient. Recommended PSU: 350W (Radeon HD 8500M) vs 350W (Radeon HD 7640G). Power connectors: 1x 6-pin vs 1x 6-pin. Typical load temperature: 75°C vs 70°C.
| Feature | Radeon HD 8500M | Radeon HD 7640G |
|---|---|---|
| TDP | 40W-11% | 45W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Slots | 0 | 0 |
| Temp (Load) | 75°C | 70°C-7% |
| Perf/Watt | 11.2+11% | 10.1 |
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