CPU
GPU
GRID K340
Popular choices:
Radeon R7 M340
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 GRID K340 is positioned at rank 404 and the Radeon R7 M340 is on rank 464, so the GRID K340 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GRID K340
Performance Per Dollar Radeon R7 M340
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GRID K340 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 R7 M340.
| Insight | GRID K340 | Radeon R7 M340 |
|---|---|---|
| Performance | ✅Leading raw performance (+0.6%) | ❌Lower raw frame rates (-0.6%) |
| Longevity | 🛑Obsolete Architecture (2013 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2015 / GCN 1.0 (2012−2020)) |
| 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 M340 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon R7 M340 holds the technical lead. Priced at $35 (vs $57), it costs 39% less, resulting in a 61.9% higher cost efficiency score.
| Insight | GRID K340 | Radeon R7 M340 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+61.9%) |
| Upfront Cost | ⚠️Higher upfront cost ($57) | ✅More affordable ($35) |
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 GRID K340 and Radeon R7 M340
GRID K340
The GRID K340 is manufactured by NVIDIA. It was released in July 23 2013. It features the Kepler architecture. The core clock speed is 950 MHz. It has 384 ×4 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 650 points. Launch price was $3,299.
Radeon R7 M340
The Radeon R7 M340 is manufactured by AMD. It was released in May 5 2015. It features the GCN 1.0 architecture. The core clock ranges from 900 MHz to 915 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 646 points.
Graphics Performance
The GRID K340 scores 650 and the Radeon R7 M340 reaches 646 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The GRID K340 is built on Kepler while the Radeon R7 M340 uses GCN 1.0, both on a 28 nm process. Shader units: 384 (GRID K340) vs 640 (Radeon R7 M340). Raw compute: 0.7296 TFLOPS ×4 (GRID K340) vs 1.171 TFLOPS (Radeon R7 M340).
| Feature | GRID K340 | Radeon R7 M340 |
|---|---|---|
| G3D Mark Score | 650 | 646 |
| Architecture | Kepler | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 ×4 | 640+67% |
| Compute (TFLOPS) | 0.7296 TFLOPS ×4 | 1.171 TFLOPS+60% |
| ROPs | 8 ×4 | 16+100% |
| TMUs | 32 ×4 | 40+25% |
| L1 Cache | 32 KB | 160 KB+400% |
| L2 Cache | 128 KB | 256 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | GRID K340 | Radeon R7 M340 |
|---|---|---|
| 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 512 MB of GDDR5. Bus width: 64-bit vs 128-bit. L2 Cache: 128 KB (GRID K340) vs 256 KB (Radeon R7 M340) — the Radeon R7 M340 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GRID K340 | Radeon R7 M340 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 128 KB | 256 KB+100% |
Power & Dimensions
The GRID K340 draws 225W versus the Radeon R7 M340's 75W — a 100% difference. The Radeon R7 M340 is more power-efficient. Recommended PSU: 350W (GRID K340) vs 350W (Radeon R7 M340). Power connectors: PCIe-powered vs Mobile.
| Feature | GRID K340 | Radeon R7 M340 |
|---|---|---|
| TDP | 225W | 75W-67% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | Mobile |
| Perf/Watt | 2.9 | 8.6+197% |
Value Analysis
The GRID K340 launched at $3299 MSRP and currently averages $57, while the Radeon R7 M340 launched at $120 and now averages $35. The Radeon R7 M340 costs 38.6% less ($22 savings) at current market prices. Performance per dollar (G3D Mark / price): 11.4 (GRID K340) vs 18.5 (Radeon R7 M340) — the Radeon R7 M340 offers 62.3% better value. The Radeon R7 M340 is the newer GPU (2015 vs 2013).
| Feature | GRID K340 | Radeon R7 M340 |
|---|---|---|
| MSRP | $3299 | $120-96% |
| Avg Price (30d) | $57 | $35-39% |
| Performance per Dollar | 11.4 | 18.5+62% |
| Codename | GK107 | Tropo |
| Release | July 23 2013 | May 5 2015 |
| Ranking | #817 | #737 |
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