CPU
GPU
Radeon HD 7770
Popular choices:
GeForce GTX 745
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.
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 Radeon HD 7770 is the superior choice for raw performance. It leads with a 2.2% higher G3D Mark score. However, the GeForce GTX 745 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon HD 7770 | GeForce GTX 745 |
|---|---|---|
| Performance | ✅Leading raw performance (+2.2%) | ❌Lower raw frame rates (-2.2%) |
| Longevity | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2014 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce GTX 745 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GTX 745 holds the technical lead. Priced at $25 (vs $50), it costs 50% less, resulting in a 95.7% higher cost efficiency score.
| Insight | Radeon HD 7770 | GeForce GTX 745 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+95.7%) |
| Upfront Cost | ⚠️Higher upfront cost ($50) | ✅More affordable ($25) |
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 7770 and GeForce GTX 745
Radeon HD 7770
The Radeon HD 7770 is manufactured by AMD. It was released in February 15 2012. It features the GCN 1.0 architecture. The core clock speed is 1000 MHz. It has 640 shading units. The thermal design power (TDP) is 80W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,173 points. Launch price was $159.
GeForce GTX 745
The GeForce GTX 745 is manufactured by NVIDIA. It was released in February 18 2014. It features the Maxwell architecture. The core clock ranges from 1020 MHz to 1085 MHz. It has 512 shading units. The thermal design power (TDP) is 55W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,126 points. Launch price was $119.
Graphics Performance
The Radeon HD 7770 scores 2,173 and the GeForce GTX 745 reaches 2,126 in the G3D Mark benchmark — just a 2.2% difference, making them near-identical in rasterization performance. The Radeon HD 7770 is built on GCN 1.0 while the GeForce GTX 745 uses Maxwell, both on a 28 nm process. Shader units: 640 (Radeon HD 7770) vs 512 (GeForce GTX 745). Raw compute: 1.28 TFLOPS (Radeon HD 7770) vs 1.111 TFLOPS (GeForce GTX 745).
| Feature | Radeon HD 7770 | GeForce GTX 745 |
|---|---|---|
| G3D Mark Score | 2,173+2% | 2,126 |
| Architecture | GCN 1.0 | Maxwell |
| Process Node | 28 nm | 28 nm |
| Shading Units | 640+25% | 512 |
| Compute (TFLOPS) | 1.28 TFLOPS+15% | 1.111 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 40+25% | 32 |
| L1 Cache | 160 KB | 256 KB+60% |
| L2 Cache | 0.25 MB | 2 MB+700% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7770 | GeForce GTX 745 |
|---|---|---|
| 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 HD 7770 comes with 2 GB of VRAM, while the GeForce GTX 745 has 4 GB. The GeForce GTX 745 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 72 GB/s (Radeon HD 7770) vs 80 GB/s (GeForce GTX 745) — a 11.1% advantage for the GeForce GTX 745. Bus width: 128-bit vs 128-bit. L2 Cache: 0.25 MB (Radeon HD 7770) vs 2 MB (GeForce GTX 745) — the GeForce GTX 745 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7770 | GeForce GTX 745 |
|---|---|---|
| VRAM Capacity | 2 GB | 4 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | 72 GB/s | 80 GB/s+11% |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 0.25 MB | 2 MB+700% |
Display & API Support
DirectX support: 12_0 (Radeon HD 7770) vs 12 (11_0) (GeForce GTX 745). Maximum simultaneous displays: 4 vs 3.
| Feature | Radeon HD 7770 | GeForce GTX 745 |
|---|---|---|
| DirectX | 12_0 | 12 (11_0) |
| Max Displays | 4+33% | 3 |
Media & Encoding
Hardware encoder: VCE 1.0 (Radeon HD 7770) vs NVENC 4th Gen (GeForce GTX 745). Decoder: UVD 3.1 vs PureVideo HD VP6. Supported codecs: H.264 (Radeon HD 7770) vs H.264,VC-1,MPEG-2,MPEG-4 ASP (GeForce GTX 745).
| Feature | Radeon HD 7770 | GeForce GTX 745 |
|---|---|---|
| Encoder | VCE 1.0 | NVENC 4th Gen |
| Decoder | UVD 3.1 | PureVideo HD VP6 |
| Codecs | H.264 | H.264,VC-1,MPEG-2,MPEG-4 ASP |
Power & Dimensions
The Radeon HD 7770 draws 80W versus the GeForce GTX 745's 55W — a 37% difference. The GeForce GTX 745 is more power-efficient. Recommended PSU: 450W (Radeon HD 7770) vs 300W (GeForce GTX 745). Power connectors: 1x 6-pin vs 1x 6-pin. Card length: 210mm vs 145mm, occupying 2 vs 1 slots.
| Feature | Radeon HD 7770 | GeForce GTX 745 |
|---|---|---|
| TDP | 80W | 55W-31% |
| Recommended PSU | 450W | 300W-33% |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | 210mm | 145mm |
| Height | — | 69mm |
| Slots | 2 | 1-50% |
| Temp (Load) | — | 75°C |
| Perf/Watt | 27.2 | 38.7+42% |
Value Analysis
The Radeon HD 7770 launched at $159 MSRP and currently averages $50, while the GeForce GTX 745 launched at $80 and now averages $25. The GeForce GTX 745 costs 50% less ($25 savings) at current market prices. Performance per dollar (G3D Mark / price): 43.5 (Radeon HD 7770) vs 85.0 (GeForce GTX 745) — the GeForce GTX 745 offers 95.4% better value. The GeForce GTX 745 is the newer GPU (2014 vs 2012).
| Feature | Radeon HD 7770 | GeForce GTX 745 |
|---|---|---|
| MSRP | $159 | $80-50% |
| Avg Price (30d) | $50 | $25-50% |
| Performance per Dollar | 43.5 | 85.0+95% |
| Codename | Cape Verde | GM107 |
| Release | February 15 2012 | February 18 2014 |
| Ranking | #664 | #559 |
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