Radeon HD 7650M vs GeForce GT 420
Radeon HD 7650M
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GeForce GT 420
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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 7650M is positioned at rank 430 and the GeForce GT 420 is on rank 214, so the GeForce GT 420 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 7650M
Performance Per Dollar GeForce GT 420
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 7650M is the superior choice for raw performance. It leads with a 0.5% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 420.
| Insight | Radeon HD 7650M | GeForce GT 420 |
|---|---|---|
| Performance | ✅Leading raw performance (+0.5%) | ❌Lower raw frame rates (-0.5%) |
| Longevity | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2014 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 7650M 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 7650M and GeForce GT 420
Radeon HD 7650M
The Radeon HD 7650M is manufactured by AMD. It was released in January 4 2011. It features the TeraScale 2 architecture. The core clock speed is 580 MHz. It has 960 shading units. The thermal design power (TDP) is 50W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 434 points.
GeForce GT 420
The GeForce GT 420 is manufactured by NVIDIA. It was released in May 29 2014. It features the Kepler architecture. The core clock speed is 993 MHz. It has 384 shading units. The thermal design power (TDP) is 64W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 432 points. Launch price was $89.
Graphics Performance
The Radeon HD 7650M scores 434 and the GeForce GT 420 reaches 432 in the G3D Mark benchmark — just a 0.5% difference, making them near-identical in rasterization performance. The Radeon HD 7650M is built on TeraScale 2 while the GeForce GT 420 uses Kepler, both on 40 nm vs 28 nm. Shader units: 960 (Radeon HD 7650M) vs 384 (GeForce GT 420). Raw compute: 1.114 TFLOPS (Radeon HD 7650M) vs 0.7626 TFLOPS (GeForce GT 420).
| Feature | Radeon HD 7650M | GeForce GT 420 |
|---|---|---|
| G3D Mark Score | 434 | 432 |
| Architecture | TeraScale 2 | Kepler |
| Process Node | 40 nm | 28 nm |
| Shading Units | 960+150% | 384 |
| Compute (TFLOPS) | 1.114 TFLOPS+46% | 0.7626 TFLOPS |
| ROPs | 32+100% | 16 |
| TMUs | 48+50% | 32 |
| L1 Cache | 192 KB+500% | 32 KB |
| L2 Cache | 512 KB+100% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7650M | GeForce GT 420 |
|---|---|---|
| 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)
Both cards feature 1 GB of video memory. Bus width: System vs 128-bit. L2 Cache: 512 KB (Radeon HD 7650M) vs 256 KB (GeForce GT 420) — the Radeon HD 7650M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7650M | GeForce GT 420 |
|---|---|---|
| VRAM Capacity | 1 GB | 1 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Display & API Support
DirectX support: 11.2 (FL11_0) (Radeon HD 7650M) vs 12 (11_0) (GeForce GT 420). Vulkan: N/A vs N/A. OpenGL: 4.4 vs 4.6. Maximum simultaneous displays: 4 vs 2.
| Feature | Radeon HD 7650M | GeForce GT 420 |
|---|---|---|
| DirectX | 11.2 (FL11_0) | 12 (11_0)+7% |
| Vulkan | N/A | N/A |
| OpenGL | 4.4 | 4.6+5% |
| Max Displays | 4+100% | 2 |
Media & Encoding
Hardware encoder: UVD3 (Radeon HD 7650M) vs None (GeForce GT 420). Decoder: UVD3 vs VP4. Supported codecs: H.264,VC-1,MPEG-2 (Radeon HD 7650M) vs H.264,MPEG-2,VC-1,MPEG-4 (GeForce GT 420).
| Feature | Radeon HD 7650M | GeForce GT 420 |
|---|---|---|
| Encoder | UVD3 | None |
| Decoder | UVD3 | VP4 |
| Codecs | H.264,VC-1,MPEG-2 | H.264,MPEG-2,VC-1,MPEG-4 |
Power & Dimensions
The Radeon HD 7650M draws 50W versus the GeForce GT 420's 64W — a 24.6% difference. The Radeon HD 7650M is more power-efficient. Recommended PSU: 350W (Radeon HD 7650M) vs 250W (GeForce GT 420). Power connectors: 1x 6-pin vs None. Card length: 0mm vs 145mm, occupying 0 vs 1 slots. Typical load temperature: 70°C vs 80.
| Feature | Radeon HD 7650M | GeForce GT 420 |
|---|---|---|
| TDP | 50W-22% | 64W |
| Recommended PSU | 350W | 250W-29% |
| Power Connector | 1x 6-pin | None |
| Length | 0mm | 145mm |
| Height | 0mm | 69mm |
| Slots | 0-100% | 1 |
| Temp (Load) | 70°C-13% | 80 |
| Perf/Watt | 8.7+28% | 6.8 |
Value Analysis
The GeForce GT 420 is the newer GPU (2014 vs 2011).
| Feature | Radeon HD 7650M | GeForce GT 420 |
|---|---|---|
| MSRP | — | $79 |
| Avg Price (30d) | — | $79 |
| Codename | Blackcomb | GK107 |
| Release | January 4 2011 | May 29 2014 |
| Ranking | #785 | #777 |
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