
Radeon HD 7400G
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Radeon HD 6450A
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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. The Radeon HD 7400G is positioned at rank 219 and the Radeon HD 6450A is on rank 492, so the Radeon HD 7400G offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon HD 7400G
Performance Per Dollar Radeon HD 6450A
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon HD 7400G is significantly newer (2025 vs 2011). The Radeon HD 7400G likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon HD 6450A lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon HD 7400G is the superior choice for raw performance. It leads with a 2.7% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 6450A.
| Insight | Radeon HD 7400G | Radeon HD 6450A |
|---|---|---|
| Performance | ✅Leading raw performance (+2.7%) | ❌Lower raw frame rates (-2.7%) |
| Longevity | RDNA 3.0 (2022−2026) (6nm) | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | — | — |
💎 Value Proposition
The Radeon HD 7400G offers a compelling cost-to-performance ratio. Although it costs $15 (vs $15), its significant performance lead justifies the premium, offering 2.7% better value per dollar than the Radeon HD 6450A.
| Insight | Radeon HD 7400G | Radeon HD 6450A |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+2.7%) | ❌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 HD 7400G and Radeon HD 6450A

Radeon HD 7400G
The Radeon HD 7400G is manufactured by AMD. It was released in August 8 2025. It features the RDNA 3.0 architecture. The core clock ranges from 1452 MHz to 2300 MHz. It has 1792 shading units. The thermal design power (TDP) is 43W. Manufactured using 6 nm process technology. It features 28 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 267 points.

Radeon HD 6450A
The Radeon HD 6450A is manufactured by AMD. It was released in April 19 2011. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 260 points.
Graphics Performance
The Radeon HD 7400G scores 267 and the Radeon HD 6450A reaches 260 in the G3D Mark benchmark — just a 2.7% difference, making them near-identical in rasterization performance. The Radeon HD 7400G is built on RDNA 3.0 while the Radeon HD 6450A uses TeraScale 2, both on 6 nm vs 40 nm. Shader units: 1,792 (Radeon HD 7400G) vs 480 (Radeon HD 6450A). Raw compute: 16.49 TFLOPS (Radeon HD 7400G) vs 0.576 TFLOPS (Radeon HD 6450A).
| Feature | Radeon HD 7400G | Radeon HD 6450A |
|---|---|---|
| G3D Mark Score | 267+3% | 260 |
| Architecture | RDNA 3.0 | TeraScale 2 |
| Process Node | 6 nm | 40 nm |
| Shading Units | 1792+273% | 480 |
| Compute (TFLOPS) | 16.49 TFLOPS+2763% | 0.576 TFLOPS |
| ROPs | 64+700% | 8 |
| TMUs | 112+367% | 24 |
| L1 Cache | 512 KB+967% | 48 KB |
| L2 Cache | 2 MB+700% | 0.25 MB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7400G | Radeon HD 6450A |
|---|---|---|
| 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)
Both cards feature 512 MB of GDDR5. Bus width: 128-bit vs 128-bit. L2 Cache: 2 MB (Radeon HD 7400G) vs 0.25 MB (Radeon HD 6450A) — the Radeon HD 7400G has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7400G | Radeon HD 6450A |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 2 MB+700% | 0.25 MB |
Power & Dimensions
The Radeon HD 7400G draws 43W versus the Radeon HD 6450A's 45W — a 4.5% difference. The Radeon HD 7400G is more power-efficient. Recommended PSU: 350W (Radeon HD 7400G) vs 350W (Radeon HD 6450A). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon HD 7400G | Radeon HD 6450A |
|---|---|---|
| TDP | 43W-4% | 45W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | — |
| Temp (Load) | 75 | — |
| Perf/Watt | 6.2+7% | 5.8 |
Value Analysis
The Radeon HD 7400G launched at $50 MSRP and currently averages $15, while the Radeon HD 6450A launched at $55 and now averages $15. Performance per dollar (G3D Mark / price): 17.8 (Radeon HD 7400G) vs 17.3 (Radeon HD 6450A) — the Radeon HD 7400G offers 2.9% better value. The Radeon HD 7400G is the newer GPU (2025 vs 2011).
| Feature | Radeon HD 7400G | Radeon HD 6450A |
|---|---|---|
| MSRP | $50-9% | $55 |
| Avg Price (30d) | $15 | $15 |
| Performance per Dollar | 17.8+3% | 17.3 |
| Codename | Navi 33 | Onega |
| Release | August 8 2025 | April 19 2011 |
| Ranking | #229 | #926 |
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