
Radeon 820M vs GeForce GTX 745

Radeon 820M
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GeForce GTX 745
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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. The Radeon 820M is positioned at rank #62 in our cost-efficiency ranking, representing a Balanced cost-benefit for your build. 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 Radeon 820M
Performance Per Dollar
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 | Radeon 820M | GeForce GTX 745 |
|---|---|---|
| Performance | ✅Leading raw performance (+0.8%) | ❌Lower raw frame rates (-0.8%) |
| Longevity | RDNA 3+ (2024) (4nm) | 🛑Obsolete Architecture (2014 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| 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 | Radeon 820M | GeForce GTX 745 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+0.8%) | ❌Lower cost efficiency |
| 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 Radeon 820M and GeForce GTX 745

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.

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 820M scores 2,143 and the GeForce GTX 745 reaches 2,126 in the G3D Mark benchmark — just a 0.8% difference, making them near-identical in rasterization performance. The Radeon 820M is built on RDNA 3+ while the GeForce GTX 745 uses Maxwell, both on 4 nm vs 28 nm. Shader units: 128 (Radeon 820M) vs 512 (GeForce GTX 745). Boost clocks: 2900 MHz vs 1085 MHz.
| Feature | Radeon 820M | GeForce GTX 745 |
|---|---|---|
| G3D Mark Score | 2,143 | 2,126 |
| Architecture | RDNA 3+ | Maxwell |
| Process Node | 4 nm | 28 nm |
| Shading Units | 128 | 512+300% |
| Boost Clock | 2900 MHz+167% | 1085 MHz |
Advanced Features (DLSS/FSR)
| Feature | Radeon 820M | 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 820M 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. Bus width: System vs 128-bit.
| Feature | Radeon 820M | GeForce GTX 745 |
|---|---|---|
| VRAM Capacity | 2 GB | 4 GB+100% |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | 80 GB/s |
| Bus Width | System | 128-bit |
Display & API Support
DirectX support: 12 Ultimate (Radeon 820M) vs 12 (11_0) (GeForce GTX 745). Vulkan: 1.3 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 3.
| Feature | Radeon 820M | GeForce GTX 745 |
|---|---|---|
| DirectX | 12 Ultimate | 12 (11_0) |
| Vulkan | 1.3 | 1.4+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4+33% | 3 |
Media & Encoding
Hardware encoder: VCN 4.0 (Radeon 820M) vs NVENC 4th Gen (GeForce GTX 745). Decoder: VCN 4.0 vs PureVideo HD VP6. Supported codecs: H.264,H.265,AV1,VP9 (Radeon 820M) vs H.264,VC-1,MPEG-2,MPEG-4 ASP (GeForce GTX 745).
| Feature | Radeon 820M | GeForce GTX 745 |
|---|---|---|
| Encoder | VCN 4.0 | NVENC 4th Gen |
| Decoder | VCN 4.0 | PureVideo HD VP6 |
| Codecs | H.264,H.265,AV1,VP9 | H.264,VC-1,MPEG-2,MPEG-4 ASP |
Power & Dimensions
The Radeon 820M draws 30W versus the GeForce GTX 745's 55W — a 58.8% difference. The Radeon 820M is more power-efficient. Recommended PSU: 350W (Radeon 820M) vs 300W (GeForce GTX 745). Power connectors: PCIe-powered vs 1x 6-pin. Card length: 0mm vs 145mm, occupying 0 vs 1 slots. Typical load temperature: 80 vs 75°C.
| Feature | Radeon 820M | GeForce GTX 745 |
|---|---|---|
| TDP | 30W-45% | 55W |
| Recommended PSU | 350W | 300W-14% |
| Power Connector | PCIe-powered | 1x 6-pin |
| Length | 0mm | 145mm |
| Height | 0mm | 69mm |
| Slots | 0-100% | 1 |
| Temp (Load) | 80 | 75°C-6% |
| Perf/Watt | 71.4+84% | 38.7 |
Value Analysis
Performance per dollar (G3D Mark / price): 85.7 (Radeon 820M) vs 85.0 (GeForce GTX 745) — the Radeon 820M offers 0.8% better value. The Radeon 820M is the newer GPU (2024 vs 2014).
| Feature | Radeon 820M | GeForce GTX 745 |
|---|---|---|
| MSRP | — | $80 |
| Avg Price (30d) | $25 | $25 |
| Performance per Dollar | 85.7 | 85.0 |
| Codename | Krackan Point | GM107 |
| Release | June 2 2024 | February 18 2014 |
| Ranking | #669 | #559 |
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