
GeForce GTX 745 vs Radeon 820M

GeForce GTX 745
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Radeon 820M
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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 820M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon 820M is significantly newer (2024 vs 2014). The Radeon 820M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GTX 745 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon 820M is the superior choice for raw performance. It leads with a 0.8% higher G3D Mark score. However, the GeForce GTX 745 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce GTX 745 | Radeon 820M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.8%) | ✅Leading raw performance (+0.8%) |
| Longevity | 🛑Obsolete Architecture (2014 / Maxwell (2014−2017)) | RDNA 3+ (2024) (4nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
The Radeon 820M offers a compelling cost-to-performance ratio. Although it costs $25 (vs $25), its significant performance lead justifies the premium, offering 0.8% better value per dollar than the GeForce GTX 745.
| Insight | GeForce GTX 745 | Radeon 820M |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+0.8%) |
| 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 GeForce GTX 745 and Radeon 820M

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.

Radeon 820M
The Radeon 820M is manufactured by AMD. It was released in June 2 2024. It features the RDNA 3+ architecture. The boost clock speed is 2900 MHz. It has 128 shading units. The thermal design power (TDP) is 30W. Manufactured using 4 nm process technology. G3D Mark benchmark score: 2,143 points.
Graphics Performance
The GeForce GTX 745 scores 2,126 and the Radeon 820M reaches 2,143 in the G3D Mark benchmark — just a 0.8% difference, making them near-identical in rasterization performance. The GeForce GTX 745 is built on Maxwell while the Radeon 820M uses RDNA 3+, both on 28 nm vs 4 nm. Shader units: 512 (GeForce GTX 745) vs 128 (Radeon 820M). Boost clocks: 1085 MHz vs 2900 MHz.
| Feature | GeForce GTX 745 | Radeon 820M |
|---|---|---|
| G3D Mark Score | 2,126 | 2,143 |
| Architecture | Maxwell | RDNA 3+ |
| Process Node | 28 nm | 4 nm |
| Shading Units | 512+300% | 128 |
| Boost Clock | 1085 MHz | 2900 MHz+167% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GTX 745 | Radeon 820M |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | FSR 1.0 (Software) |
| Frame Generation | FSR 3 (Compatible) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GTX 745 comes with 4 GB of VRAM, while the Radeon 820M has 2 GB. The GeForce GTX 745 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System.
| Feature | GeForce GTX 745 | Radeon 820M |
|---|---|---|
| VRAM Capacity | 4 GB+100% | 2 GB |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | 80 GB/s | System |
| Bus Width | 128-bit | System |
Display & API Support
DirectX support: 12 (11_0) (GeForce GTX 745) vs 12 Ultimate (Radeon 820M). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 4.
| Feature | GeForce GTX 745 | Radeon 820M |
|---|---|---|
| DirectX | 12 (11_0) | 12 Ultimate |
| Vulkan | 1.4+8% | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 3 | 4+33% |
Media & Encoding
Hardware encoder: NVENC 4th Gen (GeForce GTX 745) vs VCN 4.0 (Radeon 820M). Decoder: PureVideo HD VP6 vs VCN 4.0. Supported codecs: H.264,VC-1,MPEG-2,MPEG-4 ASP (GeForce GTX 745) vs H.264,H.265,AV1,VP9 (Radeon 820M).
| Feature | GeForce GTX 745 | Radeon 820M |
|---|---|---|
| Encoder | NVENC 4th Gen | VCN 4.0 |
| Decoder | PureVideo HD VP6 | VCN 4.0 |
| Codecs | H.264,VC-1,MPEG-2,MPEG-4 ASP | H.264,H.265,AV1,VP9 |
Power & Dimensions
The GeForce GTX 745 draws 55W versus the Radeon 820M's 30W — a 58.8% difference. The Radeon 820M is more power-efficient. Recommended PSU: 300W (GeForce GTX 745) vs 350W (Radeon 820M). Power connectors: 1x 6-pin vs PCIe-powered. Card length: 145mm vs 0mm, occupying 1 vs 0 slots. Typical load temperature: 75°C vs 80.
| Feature | GeForce GTX 745 | Radeon 820M |
|---|---|---|
| TDP | 55W | 30W-45% |
| Recommended PSU | 300W-14% | 350W |
| Power Connector | 1x 6-pin | PCIe-powered |
| Length | 145mm | 0mm |
| Height | 69mm | 0mm |
| Slots | 1 | 0-100% |
| Temp (Load) | 75°C-6% | 80 |
| Perf/Watt | 38.7 | 71.4+84% |
Value Analysis
Performance per dollar (G3D Mark / price): 85.0 (GeForce GTX 745) vs 85.7 (Radeon 820M) — the Radeon 820M offers 0.8% better value. The Radeon 820M is the newer GPU (2024 vs 2014).
| Feature | GeForce GTX 745 | Radeon 820M |
|---|---|---|
| MSRP | $80 | — |
| Avg Price (30d) | $25 | $25 |
| Performance per Dollar | 85.0 | 85.7 |
| Codename | GM107 | Krackan Point |
| Release | February 18 2014 | June 2 2024 |
| Ranking | #559 | #669 |
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