
GeForce GT 420M

Radeon HD 8610G
GeForce GT 420M vs Radeon HD 8610G Performance Spectrum
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.
GeForce GT 420M vs Radeon HD 8610G FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
GeForce GT 420M vs Radeon HD 8610G: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GeForce GT 420M
2012Why buy it
- ✅0.4% more average FPS across 50 tracked games in our benchmark data.
- ✅Draws 32W instead of 50W, a 18W reduction.
Trade-offs
- ❌2012 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 2.7 G3D/$ (Unknown MSRP vs $150 MSRP).
Radeon HD 8610G
2013Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 2.7 vs 0 G3D/$ ($150 MSRP vs Unknown MSRP).
- ✅More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.
Trade-offs
- ❌Lower average FPS than GeForce GT 420M across 50 tracked games in our benchmark data.
- ❌2013 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌56.3% higher power demand at 50W vs 32W.
Quick Answers
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GeForce GT 420M vs Radeon HD 8610G Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce GT 420M
The GeForce GT 420M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from Up to 625 MHz to 645 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 392 points.

Radeon HD 8610G
The Radeon HD 8610G is manufactured by AMD. It was released in March 1 2013. It features the GCN 1.0 architecture. The core clock ranges from 775 MHz to 825 MHz. It has 320 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 401 points.
Graphics Performance
The GeForce GT 420M scores 392 and the Radeon HD 8610G reaches 401 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The GeForce GT 420M is built on Kepler while the Radeon HD 8610G uses GCN 1.0, both on a 28 nm process. Shader units: 384 (GeForce GT 420M) vs 320 (Radeon HD 8610G). Raw compute: 0.48 TFLOPS (GeForce GT 420M) vs 0.528 TFLOPS (Radeon HD 8610G). Boost clocks: 645 MHz vs 825 MHz.
| Feature | GeForce GT 420M | Radeon HD 8610G |
|---|---|---|
| G3D Mark Score | 392 | 401+2% |
| Architecture | Kepler | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384+20% | 320 |
| Compute (TFLOPS) | 0.48 TFLOPS | 0.528 TFLOPS+10% |
| Boost Clock | 645 MHz | 825 MHz+28% |
| ROPs | 16+100% | 8 |
| TMUs | 32+60% | 20 |
| L1 Cache | 32 KB | 80 KB+150% |
| L2 Cache | 256 KB+100% | 128 KB |
Advanced Features (DLSS/FSR)
The GeForce GT 420M gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD 8610G leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GT 420M | Radeon HD 8610G |
|---|---|---|
| Upscaling Tech | Upscaling support | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | AMD Anti-Lag |
Video Memory (VRAM)
Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the GeForce GT 420M and 128-bit on the Radeon HD 8610G. L2 Cache: 256 KB (GeForce GT 420M) vs 128 KB (Radeon HD 8610G) — the GeForce GT 420M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 420M | Radeon HD 8610G |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 256 KB+100% | 128 KB |
Display & API Support
DirectX support: 11.0 (GeForce GT 420M) vs 11.2 (FL 11_0) (Radeon HD 8610G). OpenGL: 4.0 vs 4.4. Maximum simultaneous displays: 1 vs 3.
| Feature | GeForce GT 420M | Radeon HD 8610G |
|---|---|---|
| DirectX | 11.0 | 11.2 (FL 11_0)+2% |
| OpenGL | 4.0 | 4.4+10% |
| Max Displays | 1 | 3+200% |
Media & Encoding
Hardware encoder: No (GeForce GT 420M) vs VCE 1.0 (Radeon HD 8610G). Decoder: PureVideo HD VP4 vs UVD 3.0. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 420M) vs H.264,MPEG-2,VC-1 (Radeon HD 8610G).
| Feature | GeForce GT 420M | Radeon HD 8610G |
|---|---|---|
| Encoder | No | VCE 1.0 |
| Decoder | PureVideo HD VP4 | UVD 3.0 |
| Codecs | MPEG-2,H.264,VC-1,MPEG-4 ASP | H.264,MPEG-2,VC-1 |
Power & Dimensions
The GeForce GT 420M draws 32W versus the Radeon HD 8610G's 50W — a 43.9% difference. The GeForce GT 420M is more power-efficient. Recommended PSU: 350W (GeForce GT 420M) vs 350W (Radeon HD 8610G). Power connectors: PCIe-powered vs 1x 6-pin.
| Feature | GeForce GT 420M | Radeon HD 8610G |
|---|---|---|
| TDP | 32W-36% | 50W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | 0 |
| Temp (Load) | 75°C | — |
| Perf/Watt | 12.3+54% | 8.0 |
Value Analysis
The newer card here is Radeon HD 8610G (2013 vs 2012).
| Feature | GeForce GT 420M | Radeon HD 8610G |
|---|---|---|
| MSRP | — | $150 |
| Codename | GK107 | Sun |
| Release | March 22 2012 | March 1 2013 |
| Ranking | #909 | #891 |
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