
GRID K340

Radeon R7 M340
GRID K340 vs Radeon R7 M340 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.
GRID K340 vs Radeon R7 M340 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
GRID K340 vs Radeon R7 M340: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GRID K340
2013Why buy it
- ✅Competitive enough if your priority is price, power, or specific feature preference.
Trade-offs
- ❌2013 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌2649.2% HIGHER MSRP$3,299 MSRPvs$120 MSRP
- ❌Lower G3D Mark per dollar, at 0.2 vs 5.4 G3D/$ ($3,299 MSRP vs $120 MSRP).
- ❌200% higher power demand at 225W vs 75W.
Radeon R7 M340
2015Why buy it
- ✅Costs $3,179 less on MSRP ($120 MSRP vs $3,299 MSRP).
- ✅Delivers 2632.2% more G3D Mark for each dollar spent, at 5.4 vs 0.2 G3D/$ ($120 MSRP vs $3,299 MSRP).
- ✅Draws 75W instead of 225W, a 150W reduction.
Trade-offs
- ❌2015 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Quick Answers
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GRID K340 vs Radeon R7 M340 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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 | Upscaling support | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
Both cards ship with 512 MB of GDDR5. Memory bus width is 64-bit on the GRID K340 and 128-bit on the Radeon R7 M340. 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
At launch, the GRID K340 came in at $3299, while the Radeon R7 M340 launched at $120. On MSRP, Radeon R7 M340 was 96.4% cheaper ($3179 less). Performance per dollar on MSRP (G3D Mark / MSRP): 0.2 (GRID K340) vs 5.4 (Radeon R7 M340) — the Radeon R7 M340 offers 2600% better value. The newer card here is Radeon R7 M340 (2015 vs 2013).
| Feature | GRID K340 | Radeon R7 M340 |
|---|---|---|
| MSRP | $3299 | $120-96% |
| Performance per Dollar | 0.2 | 5.4+2600% |
| Codename | GK107 | Tropo |
| Release | July 23 2013 | May 5 2015 |
| Ranking | #817 | #737 |
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