
Radeon HD 6450A vs Radeon HD 7400G

Radeon HD 6450A
Popular choices:

Radeon HD 7400G
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. The Radeon HD 6450A is positioned at rank 492 and the Radeon HD 7400G is on rank 219, 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 6450A
Performance Per Dollar Radeon HD 7400G
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 6450A | Radeon HD 7400G |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.7%) | ✅Leading raw performance (+2.7%) |
| Longevity | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) | RDNA 3.0 (2022−2026) (6nm) |
| 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 6450A | Radeon HD 7400G |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+2.7%) |
| 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 6450A and Radeon HD 7400G

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.

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















