Radeon HD 7790 vs Radeon 740M
Radeon HD 7790
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Radeon 740M
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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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Radeon 740M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon 740M is significantly newer (2024 vs 2013). The Radeon 740M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon HD 7790 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon HD 7790 is the superior choice for raw performance. It leads with a 1.5% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon 740M.
| Insight | Radeon HD 7790 | Radeon 740M |
|---|---|---|
| Performance | ✅Leading raw performance (+1.5%) | ❌Lower raw frame rates (-1.5%) |
| Longevity | 🛑Obsolete Architecture (2013 / GCN 2.0 (2013−2017)) | RDNA 3.0 (2022−2026) (4nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 7790 remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
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 HD 7790 and Radeon 740M
Radeon HD 7790
The Radeon HD 7790 is manufactured by AMD. It was released in March 22 2013. It features the GCN 2.0 architecture. The core clock speed is 1000 MHz. It has 896 shading units. The thermal design power (TDP) is 85W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,090 points. Launch price was $149.
Radeon 740M
The Radeon 740M is manufactured by AMD. It was released in January 31 2024. It features the RDNA 3.0 architecture. The core clock ranges from 800 MHz to 2800 MHz. It has 256 shading units. The thermal design power (TDP) is 45W. Manufactured using 4 nm process technology. It features 4 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 3,045 points.
Graphics Performance
The Radeon HD 7790 scores 3,090 and the Radeon 740M reaches 3,045 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The Radeon HD 7790 is built on GCN 2.0 while the Radeon 740M uses RDNA 3.0, both on 28 nm vs 4 nm. Shader units: 896 (Radeon HD 7790) vs 256 (Radeon 740M). Raw compute: 1.792 TFLOPS (Radeon HD 7790) vs 2.867 TFLOPS (Radeon 740M).
| Feature | Radeon HD 7790 | Radeon 740M |
|---|---|---|
| G3D Mark Score | 3,090+1% | 3,045 |
| Architecture | GCN 2.0 | RDNA 3.0 |
| Process Node | 28 nm | 4 nm |
| Shading Units | 896+250% | 256 |
| Compute (TFLOPS) | 1.792 TFLOPS | 2.867 TFLOPS+60% |
| ROPs | 16+100% | 8 |
| TMUs | 56+250% | 16 |
| L1 Cache | 224 KB+250% | 64 KB |
| L2 Cache | 0.25 MB | 2 MB+700% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7790 | Radeon 740M |
|---|---|---|
| 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 2 GB of video memory. Bus width: 128-bit vs System. L2 Cache: 0.25 MB (Radeon HD 7790) vs 2 MB (Radeon 740M) — the Radeon 740M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7790 | Radeon 740M |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | 96 GB/s | System |
| Bus Width | 128-bit | System |
| L2 Cache | 0.25 MB | 2 MB+700% |
Power & Dimensions
The Radeon HD 7790 draws 85W versus the Radeon 740M's 45W — a 61.5% difference. The Radeon 740M is more power-efficient. Recommended PSU: 400W (Radeon HD 7790) vs 350W (Radeon 740M). Power connectors: 1x 6-pin vs None.
| Feature | Radeon HD 7790 | Radeon 740M |
|---|---|---|
| TDP | 85W | 45W-47% |
| Recommended PSU | 400W | 350W-13% |
| Power Connector | 1x 6-pin | None |
| Length | 183mm | — |
| Height | 111mm | — |
| Slots | 2 | — |
| Temp (Load) | 70 | — |
| Perf/Watt | 36.4 | 67.7+86% |
Value Analysis
The Radeon 740M is the newer GPU (2024 vs 2013).
| Feature | Radeon HD 7790 | Radeon 740M |
|---|---|---|
| MSRP | $149 | — |
| Avg Price (30d) | $40 | — |
| Codename | Bonaire | Phoenix2 |
| Release | March 22 2013 | January 31 2024 |
| Ranking | #579 | #581 |
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