
Radeon HD 8400

Radeon HD 8400E
Radeon HD 8400 vs Radeon HD 8400E Performance Spectrum
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.
Radeon HD 8400 vs Radeon HD 8400E FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Radeon HD 8400 vs Radeon HD 8400E: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
Radeon HD 8400
2012Why buy it
- ✅Competitive enough if your priority is price, power, or specific feature preference.
Trade-offs
- ❌2012 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Radeon HD 8400E
2012Why buy it
- ✅Competitive enough if your priority is price, power, or specific feature preference.
Trade-offs
- ❌2012 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Quick Answers
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Radeon HD 8400 vs Radeon HD 8400E Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon HD 8400
The Radeon HD 8400 is manufactured by AMD. It was released in March 5 2012. It features the GCN 1.0 architecture. The core clock speed is 1000 MHz. It has 1280 shading units. The thermal design power (TDP) is 200W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 271 points. Launch price was $349.

Radeon HD 8400E
The Radeon HD 8400E is manufactured by AMD. It was released in March 5 2012. It features the GCN 1.0 architecture. The core clock speed is 1000 MHz. It has 1280 shading units. The thermal design power (TDP) is 200W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 276 points. Launch price was $349.
Graphics Performance
The Radeon HD 8400 scores 271 and the Radeon HD 8400E reaches 276 in the G3D Mark benchmark — just a 1.8% difference, making them near-identical in rasterization performance. The Radeon HD 8400 is built on GCN 1.0 while the Radeon HD 8400E uses GCN 1.0, both on a 28 nm process. Shader units: 1,280 (Radeon HD 8400) vs 1,280 (Radeon HD 8400E). Raw compute: 2.56 TFLOPS (Radeon HD 8400) vs 2.56 TFLOPS (Radeon HD 8400E).
| Feature | Radeon HD 8400 | Radeon HD 8400E |
|---|---|---|
| G3D Mark Score | 271 | 276+2% |
| Architecture | GCN 1.0 | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1280 | 1280 |
| Compute (TFLOPS) | 2.56 TFLOPS | 2.56 TFLOPS |
| ROPs | 32 | 32 |
| TMUs | 80 | 80 |
| L1 Cache | 320 KB | 320 KB |
| L2 Cache | 512 KB | 512 KB |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 8400 | Radeon HD 8400E |
|---|---|---|
| Upscaling Tech | FSR Upscaling / FSR 4 | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the Radeon HD 8400 and 128-bit on the Radeon HD 8400E.
| Feature | Radeon HD 8400 | Radeon HD 8400E |
|---|---|---|
| VRAM Capacity | 0.5 GB | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 512 KB | 512 KB |
Power & Dimensions
The Radeon HD 8400 draws 200W versus the Radeon HD 8400E's 200W — a 0% difference. The Radeon HD 8400E is more power-efficient. Recommended PSU: 350W (Radeon HD 8400) vs 350W (Radeon HD 8400E). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon HD 8400 | Radeon HD 8400E |
|---|---|---|
| TDP | 200W | 200W |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Slots | 0 | — |
| Temp (Load) | 75 | — |
| Perf/Watt | 1.4 | 1.4 |
Value Analysis
At launch, the Radeon HD 8400 came in at $30, while the Radeon HD 8400E launched at $30. Performance per dollar on MSRP (G3D Mark / MSRP): 9.0 (Radeon HD 8400) vs 9.2 (Radeon HD 8400E) — the Radeon HD 8400E offers 2.2% better value.
| Feature | Radeon HD 8400 | Radeon HD 8400E |
|---|---|---|
| MSRP | $30 | $30 |
| Performance per Dollar | 9.0 | 9.2+2% |
| Codename | Pitcairn | Pitcairn |
| Release | March 5 2012 | March 5 2012 |
| Ranking | #460 | #460 |
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