Radeon R9 390X vs GeForce GTX 780 Ti
Radeon R9 390X
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GeForce GTX 780 Ti
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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
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GTX 780 Ti is the superior choice for raw performance. It leads with a 2.1% higher G3D Mark score. However, the Radeon R9 390X offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon R9 390X | GeForce GTX 780 Ti |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.1%) | ✅Leading raw performance (+2.1%) |
| Longevity | 🛑Obsolete Architecture (2015 / GCN 2.0 (2013−2017)) | 🛑Obsolete Architecture (2013 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+166.7%) | ❌ Less VRAM capacity |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | Standard Size (277mm) | Standard Size (267mm) |
💎 Value Proposition
The GeForce GTX 780 Ti offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GTX 780 Ti holds the technical lead. Priced at $42 (vs $70), it costs 40% less, resulting in a 70.1% higher cost efficiency score.
| Insight | Radeon R9 390X | GeForce GTX 780 Ti |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+70.1%) |
| Upfront Cost | ⚠️Higher upfront cost ($70) | ✅More affordable ($42) |
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 R9 390X and GeForce GTX 780 Ti
Radeon R9 390X
The Radeon R9 390X is manufactured by AMD. It was released in June 18 2015. It features the GCN 2.0 architecture. The boost clock speed is 1050 MHz. It has 2816 shading units. The thermal design power (TDP) is 275W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 9,278 points. Launch price was $429.
GeForce GTX 780 Ti
The GeForce GTX 780 Ti is manufactured by NVIDIA. It was released in November 7 2013. It features the Kepler architecture. The core clock ranges from 875 MHz to 928 MHz. It has 2880 shading units. The thermal design power (TDP) is 250W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 9,469 points. Launch price was $699.
Graphics Performance
The Radeon R9 390X scores 9,278 and the GeForce GTX 780 Ti reaches 9,469 in the G3D Mark benchmark — just a 2.1% difference, making them near-identical in rasterization performance. The Radeon R9 390X is built on GCN 2.0 while the GeForce GTX 780 Ti uses Kepler, both on a 28 nm process. Shader units: 2,816 (Radeon R9 390X) vs 2,880 (GeForce GTX 780 Ti). Raw compute: 5.914 TFLOPS (Radeon R9 390X) vs 5.345 TFLOPS (GeForce GTX 780 Ti). Boost clocks: 1050 MHz vs 928 MHz.
| Feature | Radeon R9 390X | GeForce GTX 780 Ti |
|---|---|---|
| G3D Mark Score | 9,278 | 9,469+2% |
| Architecture | GCN 2.0 | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 2816 | 2880+2% |
| Compute (TFLOPS) | 5.914 TFLOPS+11% | 5.345 TFLOPS |
| Boost Clock | 1050 MHz+13% | 928 MHz |
| ROPs | 64+33% | 48 |
| TMUs | 176 | 240+36% |
| L1 Cache | 704 KB+193% | 240 KB |
| L2 Cache | 1 MB | 1.5 MB+50% |
Advanced Features (DLSS/FSR)
| Feature | Radeon R9 390X | GeForce GTX 780 Ti |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 2.1 (Compatible) |
| Frame Generation | Not Supported | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The Radeon R9 390X comes with 8 GB of VRAM, while the GeForce GTX 780 Ti has 3 GB. The Radeon R9 390X offers 166.7% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 384 GB/s (Radeon R9 390X) vs 336 GB/s (GeForce GTX 780 Ti) — a 14.3% advantage for the Radeon R9 390X. Bus width: 512-bit vs 384-bit. L2 Cache: 1 MB (Radeon R9 390X) vs 1.5 MB (GeForce GTX 780 Ti) — the GeForce GTX 780 Ti has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R9 390X | GeForce GTX 780 Ti |
|---|---|---|
| VRAM Capacity | 8 GB+167% | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | 384 GB/s+14% | 336 GB/s |
| Bus Width | 512-bit+33% | 384-bit |
| L2 Cache | 1 MB | 1.5 MB+50% |
Display & API Support
DirectX support: 12 (12_0) (Radeon R9 390X) vs 12 (GeForce GTX 780 Ti). Vulkan: 1.2 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | Radeon R9 390X | GeForce GTX 780 Ti |
|---|---|---|
| DirectX | 12 (12_0) | 12 |
| Vulkan | 1.2 | 1.2 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: VCE 2.0 (Radeon R9 390X) vs NVENC 1st gen (GeForce GTX 780 Ti). Decoder: UVD 4.2 vs NVDEC 1st gen. Supported codecs: H.264,MPEG-2,VC-1 (Radeon R9 390X) vs H.264,MPEG-2,VC-1 (GeForce GTX 780 Ti).
| Feature | Radeon R9 390X | GeForce GTX 780 Ti |
|---|---|---|
| Encoder | VCE 2.0 | NVENC 1st gen |
| Decoder | UVD 4.2 | NVDEC 1st gen |
| Codecs | H.264,MPEG-2,VC-1 | H.264,MPEG-2,VC-1 |
Power & Dimensions
The Radeon R9 390X draws 275W versus the GeForce GTX 780 Ti's 250W — a 9.5% difference. The GeForce GTX 780 Ti is more power-efficient. Recommended PSU: 750W (Radeon R9 390X) vs 600W (GeForce GTX 780 Ti). Power connectors: 6-pin + 8-pin vs 6-pin + 8-pin. Card length: 277mm vs 267mm, occupying 2 vs 2 slots. Typical load temperature: 80 vs 83°C.
| Feature | Radeon R9 390X | GeForce GTX 780 Ti |
|---|---|---|
| TDP | 275W | 250W-9% |
| Recommended PSU | 750W | 600W-20% |
| Power Connector | 6-pin + 8-pin | 6-pin + 8-pin |
| Length | 277mm | 267mm |
| Height | 129mm | 111mm |
| Slots | 2 | 2 |
| Temp (Load) | 80-4% | 83°C |
| Perf/Watt | 33.7 | 37.9+12% |
Value Analysis
The Radeon R9 390X launched at $429 MSRP and currently averages $70, while the GeForce GTX 780 Ti launched at $699 and now averages $42. The GeForce GTX 780 Ti costs 40% less ($28 savings) at current market prices. Performance per dollar (G3D Mark / price): 132.5 (Radeon R9 390X) vs 225.5 (GeForce GTX 780 Ti) — the GeForce GTX 780 Ti offers 70.2% better value. The Radeon R9 390X is the newer GPU (2015 vs 2013).
| Feature | Radeon R9 390X | GeForce GTX 780 Ti |
|---|---|---|
| MSRP | $429-39% | $699 |
| Avg Price (30d) | $70 | $42-40% |
| Performance per Dollar | 132.5 | 225.5+70% |
| Codename | Grenada | GK110B |
| Release | June 18 2015 | November 7 2013 |
| Ranking | #287 | #278 |
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