
Radeon R5 420

Radeon R5 A240
Radeon R5 420 vs Radeon R5 A240 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.
Radeon R5 420 vs Radeon R5 A240 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
Radeon R5 420 vs Radeon R5 A240: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
Radeon R5 420
2017Why buy it
- ✅38.9% more average FPS across 50 tracked games in our benchmark data.
- ✅Costs $20 less on MSRP ($80 MSRP vs $100 MSRP).
- ✅Delivers 24.8% more G3D Mark for each dollar spent, at 7.2 vs 5.8 G3D/$ ($80 MSRP vs $100 MSRP).
Trade-offs
- ❌2017 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌66.7% higher power demand at 50W vs 30W.
Radeon R5 A240
2013Why buy it
- ✅Draws 30W instead of 50W, a 20W reduction.
Trade-offs
- ❌Lower average FPS than Radeon R5 420 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.
- ❌25% HIGHER MSRP$100 MSRPvs$80 MSRP
- ❌Lower G3D Mark per dollar, at 5.8 vs 7.2 G3D/$ ($100 MSRP vs $80 MSRP).
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Radeon R5 420 vs Radeon R5 A240 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon R5 420
The Radeon R5 420 is manufactured by AMD. It was released in April 20 2017. It features the GCN 4.0 architecture. The core clock ranges from 1183 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 575 points. Launch price was $79.

Radeon R5 A240
The Radeon R5 A240 is manufactured by AMD. It was released in October 8 2013. It features the GCN 1.0 architecture. The boost clock speed is 780 MHz. It has 320 shading units. The thermal design power (TDP) is 30W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 576 points. Launch price was $69.
Graphics Performance
The Radeon R5 420 scores 575 and the Radeon R5 A240 reaches 576 in the G3D Mark benchmark — just a 0.2% difference, making them near-identical in rasterization performance. The Radeon R5 420 is built on GCN 4.0 while the Radeon R5 A240 uses GCN 1.0, both on 14 nm vs 28 nm. Shader units: 384 (Radeon R5 420) vs 320 (Radeon R5 A240). Raw compute: 0.9085 TFLOPS (Radeon R5 420) vs 0.448 TFLOPS (Radeon R5 A240). Boost clocks: 1124 MHz vs 780 MHz.
| Feature | Radeon R5 420 | Radeon R5 A240 |
|---|---|---|
| G3D Mark Score | 575 | 576 |
| Architecture | GCN 4.0 | GCN 1.0 |
| Process Node | 14 nm | 28 nm |
| Shading Units | 384+20% | 320 |
| Compute (TFLOPS) | 0.9085 TFLOPS+103% | 0.448 TFLOPS |
| Boost Clock | 1124 MHz+44% | 780 MHz |
| ROPs | 16+100% | 8 |
| TMUs | 24+20% | 20 |
| L1 Cache | 96 KB+20% | 80 KB |
| L2 Cache | 512 KB+100% | 256 KB |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon R5 420 | Radeon R5 A240 |
|---|---|---|
| Upscaling Tech | FSR Upscaling / FSR 4 | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the Radeon R5 420 and 128-bit on the Radeon R5 A240. L2 Cache: 512 KB (Radeon R5 420) vs 256 KB (Radeon R5 A240) — the Radeon R5 420 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R5 420 | Radeon R5 A240 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Power & Dimensions
The Radeon R5 420 draws 50W versus the Radeon R5 A240's 30W — a 50% difference. The Radeon R5 A240 is more power-efficient. Recommended PSU: 350W (Radeon R5 420) vs 350W (Radeon R5 A240). Power connectors: None vs None.
| Feature | Radeon R5 420 | Radeon R5 A240 |
|---|---|---|
| TDP | 50W | 30W-40% |
| Recommended PSU | 350W | 350W |
| Power Connector | None | None |
| Perf/Watt | 11.5 | 19.2+67% |
Value Analysis
At launch, the Radeon R5 420 came in at $80, while the Radeon R5 A240 launched at $100. On MSRP, Radeon R5 420 was 20% cheaper ($20 less). Performance per dollar on MSRP (G3D Mark / MSRP): 7.2 (Radeon R5 420) vs 5.8 (Radeon R5 A240) — the Radeon R5 420 offers 24.1% better value. The newer card here is Radeon R5 420 (2017 vs 2013).
| Feature | Radeon R5 420 | Radeon R5 A240 |
|---|---|---|
| MSRP | $80-20% | $100 |
| Performance per Dollar | 7.2+24% | 5.8 |
| Codename | Lexa | Oland |
| Release | April 20 2017 | October 8 2013 |
| Ranking | #773 | #911 |
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