CPU
GPU
GeForce GT 420
Popular choices:
Radeon HD 7650M
Popular choices:
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 420 is positioned at rank 214 and the Radeon HD 7650M is on rank 430, 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 GeForce GT 420
Performance Per Dollar Radeon HD 7650M
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 | GeForce GT 420 | Radeon HD 7650M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.5%) | ✅Leading raw performance (+0.5%) |
| Longevity | 🛑Obsolete Architecture (2014 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) |
| 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 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.
Path of Exile 2
Counter-Strike 2
League of Legends
Technical Specifications
Side-by-side comparison of GeForce GT 420 and Radeon HD 7650M
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.
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.
Graphics Performance
The GeForce GT 420 scores 432 and the Radeon HD 7650M reaches 434 in the G3D Mark benchmark — just a 0.5% difference, making them near-identical in rasterization performance. The GeForce GT 420 is built on Kepler while the Radeon HD 7650M uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 384 (GeForce GT 420) vs 960 (Radeon HD 7650M). Raw compute: 0.7626 TFLOPS (GeForce GT 420) vs 1.114 TFLOPS (Radeon HD 7650M).
| Feature | GeForce GT 420 | Radeon HD 7650M |
|---|---|---|
| G3D Mark Score | 432 | 434 |
| Architecture | Kepler | TeraScale 2 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 384 | 960+150% |
| Compute (TFLOPS) | 0.7626 TFLOPS | 1.114 TFLOPS+46% |
| ROPs | 16 | 32+100% |
| TMUs | 32 | 48+50% |
| L1 Cache | 32 KB | 192 KB+500% |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 420 | Radeon HD 7650M |
|---|---|---|
| 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 1 GB of video memory. Bus width: 128-bit vs System. L2 Cache: 256 KB (GeForce GT 420) vs 512 KB (Radeon HD 7650M) — the Radeon HD 7650M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 420 | Radeon HD 7650M |
|---|---|---|
| VRAM Capacity | 1 GB | 1 GB |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
| L2 Cache | 256 KB | 512 KB+100% |
Display & API Support
DirectX support: 12 (11_0) (GeForce GT 420) vs 11.2 (FL11_0) (Radeon HD 7650M). Vulkan: N/A vs N/A. OpenGL: 4.6 vs 4.4. Maximum simultaneous displays: 2 vs 4.
| Feature | GeForce GT 420 | Radeon HD 7650M |
|---|---|---|
| DirectX | 12 (11_0)+7% | 11.2 (FL11_0) |
| Vulkan | N/A | N/A |
| OpenGL | 4.6+5% | 4.4 |
| Max Displays | 2 | 4+100% |
Media & Encoding
Hardware encoder: None (GeForce GT 420) vs UVD3 (Radeon HD 7650M). Decoder: VP4 vs UVD3. Supported codecs: H.264,MPEG-2,VC-1,MPEG-4 (GeForce GT 420) vs H.264,VC-1,MPEG-2 (Radeon HD 7650M).
| Feature | GeForce GT 420 | Radeon HD 7650M |
|---|---|---|
| Encoder | None | UVD3 |
| Decoder | VP4 | UVD3 |
| Codecs | H.264,MPEG-2,VC-1,MPEG-4 | H.264,VC-1,MPEG-2 |
Power & Dimensions
The GeForce GT 420 draws 64W versus the Radeon HD 7650M's 50W — a 24.6% difference. The Radeon HD 7650M is more power-efficient. Recommended PSU: 250W (GeForce GT 420) vs 350W (Radeon HD 7650M). Power connectors: None vs 1x 6-pin. Card length: 145mm vs 0mm, occupying 1 vs 0 slots. Typical load temperature: 80 vs 70°C.
| Feature | GeForce GT 420 | Radeon HD 7650M |
|---|---|---|
| TDP | 64W | 50W-22% |
| Recommended PSU | 250W-29% | 350W |
| Power Connector | None | 1x 6-pin |
| Length | 145mm | 0mm |
| Height | 69mm | 0mm |
| Slots | 1 | 0-100% |
| Temp (Load) | 80 | 70°C-13% |
| Perf/Watt | 6.8 | 8.7+28% |
Value Analysis
The GeForce GT 420 is the newer GPU (2014 vs 2011).
| Feature | GeForce GT 420 | Radeon HD 7650M |
|---|---|---|
| MSRP | $79 | — |
| Avg Price (30d) | $79 | — |
| Codename | GK107 | Blackcomb |
| Release | May 29 2014 | January 4 2011 |
| Ranking | #777 | #785 |
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