
Radeon HD 7990
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Radeon Pro 5300M
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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 Pro 5300M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon Pro 5300M is significantly newer (2019 vs 2013). The Radeon Pro 5300M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon HD 7990 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon Pro 5300M is the superior choice for raw performance. It leads with a 5.2% higher G3D Mark score and 33.3% more VRAM (4 GB vs 3 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 7990.
| Insight | Radeon HD 7990 | Radeon Pro 5300M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-5.2%) | ✅Leading raw performance (+5.2%) |
| Longevity | 🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020)) | RDNA 1.0 (2019−2020) (7nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+33.3%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | Standard Size (305mm) | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon Pro 5300M 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 7990 and Radeon Pro 5300M

Radeon HD 7990
The Radeon HD 7990 is manufactured by AMD. It was released in April 24 2013. It features the GCN 1.0 architecture. The core clock ranges from 950 MHz to 1000 MHz. It has 2048 ×2 shading units. The thermal design power (TDP) is 375W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 5,566 points. Launch price was $999.

Radeon Pro 5300M
The Radeon Pro 5300M is manufactured by AMD. It was released in November 13 2019. It features the RDNA 1.0 architecture. The core clock ranges from 1000 MHz to 1250 MHz. It has 1280 shading units. The thermal design power (TDP) is 85W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 5,853 points.
Graphics Performance
In G3D Mark, the Radeon HD 7990 scores 5,566 versus the Radeon Pro 5300M's 5,853 — the Radeon Pro 5300M leads by 5.2%. The Radeon HD 7990 is built on GCN 1.0 while the Radeon Pro 5300M uses RDNA 1.0, both on 28 nm vs 7 nm. Shader units: 2,048 (Radeon HD 7990) vs 1,280 (Radeon Pro 5300M). Raw compute: 4.096 TFLOPS ×2 (Radeon HD 7990) vs 3.2 TFLOPS (Radeon Pro 5300M). Boost clocks: 1000 MHz vs 1250 MHz.
| Feature | Radeon HD 7990 | Radeon Pro 5300M |
|---|---|---|
| G3D Mark Score | 5,566 | 5,853+5% |
| Architecture | GCN 1.0 | RDNA 1.0 |
| Process Node | 28 nm | 7 nm |
| Shading Units | 2048 ×2+60% | 1280 |
| Compute (TFLOPS) | 4.096 TFLOPS ×2+28% | 3.2 TFLOPS |
| Boost Clock | 1000 MHz | 1250 MHz+25% |
| ROPs | 32 ×2 | 32 |
| TMUs | 128 ×2+60% | 80 |
| L2 Cache | 0.75 MB | 2 MB+167% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7990 | Radeon Pro 5300M |
|---|---|---|
| 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)
The Radeon HD 7990 comes with 3 GB of VRAM, while the Radeon Pro 5300M has 4 GB. The Radeon Pro 5300M offers 33.3% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 384-bit x2 vs 128-bit. L2 Cache: 0.75 MB (Radeon HD 7990) vs 2 MB (Radeon Pro 5300M) — the Radeon Pro 5300M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7990 | Radeon Pro 5300M |
|---|---|---|
| VRAM Capacity | 3 GB | 4 GB+33% |
| Memory Type | GDDR5 | GDDR6 |
| Bus Width | 384-bit x2+200% | 128-bit |
| L2 Cache | 0.75 MB | 2 MB+167% |
Display & API Support
DirectX support: 12 (11_1) (Radeon HD 7990) vs 12.1 (Radeon Pro 5300M). Vulkan: 1.2 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 5 vs 4.
| Feature | Radeon HD 7990 | Radeon Pro 5300M |
|---|---|---|
| DirectX | 12 (11_1) | 12.1 |
| Vulkan | 1.2 | 1.4+17% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 5+25% | 4 |
Media & Encoding
Hardware encoder: VCE 1.0 (Radeon HD 7990) vs VCN 2.0 (Radeon Pro 5300M). Decoder: UVD 3.2 vs VCN 2.0. Supported codecs: H.264,MPEG-2,VC-1 (Radeon HD 7990) vs H.264,H.265 (Radeon Pro 5300M).
| Feature | Radeon HD 7990 | Radeon Pro 5300M |
|---|---|---|
| Encoder | VCE 1.0 | VCN 2.0 |
| Decoder | UVD 3.2 | VCN 2.0 |
| Codecs | H.264,MPEG-2,VC-1 | H.264,H.265 |
Power & Dimensions
The Radeon HD 7990 draws 375W versus the Radeon Pro 5300M's 85W — a 126.1% difference. The Radeon Pro 5300M is more power-efficient. Recommended PSU: 750W (Radeon HD 7990) vs 350W (Radeon Pro 5300M). Power connectors: 2x 8-pin vs PCIe-powered.
| Feature | Radeon HD 7990 | Radeon Pro 5300M |
|---|---|---|
| TDP | 375W | 85W-77% |
| Recommended PSU | 750W | 350W-53% |
| Power Connector | 2x 8-pin | PCIe-powered |
| Length | 305mm | — |
| Height | 111mm | — |
| Slots | 2 | 0-100% |
| Temp (Load) | 85 | — |
| Perf/Watt | 14.8 | 68.9+366% |
Value Analysis
The Radeon Pro 5300M is the newer GPU (2019 vs 2013).
| Feature | Radeon HD 7990 | Radeon Pro 5300M |
|---|---|---|
| MSRP | $999 | — |
| Avg Price (30d) | $999 | — |
| Codename | Malta | Navi 14 |
| Release | April 24 2013 | November 13 2019 |
| Ranking | #412 | #403 |
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