Radeon R7 340 vs Radeon 620
Radeon R7 340
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Radeon 620
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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 R7 340 is positioned at rank 130 and the Radeon 620 is on rank 375, so the Radeon R7 340 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon R7 340
Performance Per Dollar Radeon 620
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon 620 uses modern memory architecture. The Radeon 620 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon R7 340 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon R7 340 is the superior choice for raw performance. It leads with a 0.6% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon 620.
| Insight | Radeon R7 340 | Radeon 620 |
|---|---|---|
| Performance | ✅Leading raw performance (+0.6%) | ❌Lower raw frame rates (-0.6%) |
| Longevity | 🛑Obsolete Architecture (2015 / GCN 1.0 (2012−2020)) | GCN 3.0 (2014−2019) (28nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
The Radeon R7 340 offers a compelling cost-to-performance ratio. Priced at $25 versus $50 for the Radeon 620, it costs 50% less. While it maintains basic entry-level capabilities, this results in a 101.3% higher cost efficiency score.
| Insight | Radeon R7 340 | Radeon 620 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+101.3%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($25) | ⚠️Higher upfront cost ($50) |
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 R7 340 and Radeon 620
Radeon R7 340
The Radeon R7 340 is manufactured by AMD. It was released in June 18 2015. It features the GCN 1.0 architecture. The boost clock speed is 975 MHz. It has 1024 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 960 points. Launch price was $149.
Radeon 620
The Radeon 620 is manufactured by AMD. It was released in May 13 2019. It features the GCN 3.0 architecture. The core clock ranges from 730 MHz to 1024 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 954 points.
Graphics Performance
The Radeon R7 340 scores 960 and the Radeon 620 reaches 954 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The Radeon R7 340 is built on GCN 1.0 while the Radeon 620 uses GCN 3.0, both on a 28 nm process. Shader units: 1,024 (Radeon R7 340) vs 384 (Radeon 620). Raw compute: 1.997 TFLOPS (Radeon R7 340) vs 0.7864 TFLOPS (Radeon 620). Boost clocks: 975 MHz vs 1024 MHz.
| Feature | Radeon R7 340 | Radeon 620 |
|---|---|---|
| G3D Mark Score | 960 | 954 |
| Architecture | GCN 1.0 | GCN 3.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1024+167% | 384 |
| Compute (TFLOPS) | 1.997 TFLOPS+154% | 0.7864 TFLOPS |
| Boost Clock | 975 MHz | 1024 MHz+5% |
| ROPs | 32+300% | 8 |
| TMUs | 64+167% | 24 |
| L1 Cache | 256 KB+167% | 96 KB |
| L2 Cache | 512 KB+300% | 128 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon R7 340 | Radeon 620 |
|---|---|---|
| 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 GDDR5. Bus width: 128-bit vs 128-bit. L2 Cache: 512 KB (Radeon R7 340) vs 128 KB (Radeon 620) — the Radeon R7 340 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R7 340 | Radeon 620 |
|---|---|---|
| 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+300% | 128 KB |
Power & Dimensions
The Radeon R7 340 draws 100W versus the Radeon 620's 50W — a 66.7% difference. The Radeon 620 is more power-efficient. Recommended PSU: 300W (Radeon R7 340) vs 350W (Radeon 620). Power connectors: None vs PCIe-powered.
| Feature | Radeon R7 340 | Radeon 620 |
|---|---|---|
| TDP | 100W | 50W-50% |
| Recommended PSU | 300W-14% | 350W |
| Power Connector | None | PCIe-powered |
| Perf/Watt | 9.6 | 19.1+99% |
Value Analysis
The Radeon R7 340 launched at $99 MSRP and currently averages $25, while the Radeon 620 launched at $100 and now averages $50. The Radeon R7 340 costs 50% less ($25 savings) at current market prices. Performance per dollar (G3D Mark / price): 38.4 (Radeon R7 340) vs 19.1 (Radeon 620) — the Radeon R7 340 offers 101% better value. The Radeon 620 is the newer GPU (2019 vs 2015).
| Feature | Radeon R7 340 | Radeon 620 |
|---|---|---|
| MSRP | $99-1% | $100 |
| Avg Price (30d) | $25-50% | $50 |
| Performance per Dollar | 38.4+101% | 19.1 |
| Codename | Trinidad | Polaris 24 |
| Release | June 18 2015 | May 13 2019 |
| Ranking | #467 | #898 |
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