Radeon R7 M340 vs GeForce GT 555M
Radeon R7 M340
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GeForce GT 555M
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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 M340 is positioned at rank 464 and the GeForce GT 555M is on rank 95, so the GeForce GT 555M 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 M340
Performance Per Dollar GeForce GT 555M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GT 555M is the superior choice for raw performance. It leads with a 0.5% higher G3D Mark score and 100% more VRAM (1 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R7 M340.
| Insight | Radeon R7 M340 | GeForce GT 555M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.5%) | ✅Leading raw performance (+0.5%) |
| Longevity | 🛑Obsolete Architecture (2015 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2013 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
The GeForce GT 555M offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GT 555M holds the technical lead. Priced at $35 (vs $35), it costs 0% less, resulting in a 0.5% higher cost efficiency score.
| Insight | Radeon R7 M340 | GeForce GT 555M |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+0.5%) |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 M340 and GeForce GT 555M
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.
GeForce GT 555M
The GeForce GT 555M is manufactured by NVIDIA. It was released in June 25 2013. It features the Kepler architecture. The core clock speed is 980 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 649 points.
Graphics Performance
The Radeon R7 M340 scores 646 and the GeForce GT 555M reaches 649 in the G3D Mark benchmark — just a 0.5% difference, making them near-identical in rasterization performance. The Radeon R7 M340 is built on GCN 1.0 while the GeForce GT 555M uses Kepler, both on a 28 nm process. Shader units: 640 (Radeon R7 M340) vs 384 (GeForce GT 555M). Raw compute: 1.171 TFLOPS (Radeon R7 M340) vs 0.7526 TFLOPS (GeForce GT 555M).
| Feature | Radeon R7 M340 | GeForce GT 555M |
|---|---|---|
| G3D Mark Score | 646 | 649 |
| Architecture | GCN 1.0 | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 640+67% | 384 |
| Compute (TFLOPS) | 1.171 TFLOPS+56% | 0.7526 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 40+25% | 32 |
| L1 Cache | 160 KB+400% | 32 KB |
| L2 Cache | 256 KB | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon R7 M340 | GeForce GT 555M |
|---|---|---|
| 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 | Standard |
Video Memory (VRAM)
The Radeon R7 M340 comes with 512 MB of VRAM, while the GeForce GT 555M has 1 GB. The GeForce GT 555M offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.
| Feature | Radeon R7 M340 | GeForce GT 555M |
|---|---|---|
| VRAM Capacity | 0.5 GB | 1 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 256 KB | 256 KB |
Power & Dimensions
The Radeon R7 M340 draws 75W versus the GeForce GT 555M's 50W — a 40% difference. The GeForce GT 555M is more power-efficient. Recommended PSU: 350W (Radeon R7 M340) vs 350W (GeForce GT 555M). Power connectors: Mobile vs PCIe-powered.
| Feature | Radeon R7 M340 | GeForce GT 555M |
|---|---|---|
| TDP | 75W | 50W-33% |
| Recommended PSU | 350W | 350W |
| Power Connector | Mobile | PCIe-powered |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | — | 0 |
| Temp (Load) | — | 75 |
| Perf/Watt | 8.6 | 13.0+51% |
Value Analysis
Performance per dollar (G3D Mark / price): 18.5 (Radeon R7 M340) vs 18.5 (GeForce GT 555M) — the GeForce GT 555M offers 0% better value. The Radeon R7 M340 is the newer GPU (2015 vs 2013).
| Feature | Radeon R7 M340 | GeForce GT 555M |
|---|---|---|
| MSRP | $120 | — |
| Avg Price (30d) | $35 | $35 |
| Performance per Dollar | 18.5 | 18.5 |
| Codename | Tropo | GK107 |
| Release | May 5 2015 | June 25 2013 |
| Ranking | #737 | #726 |
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