
Radeon R9 285

Radeon RX 6300M
Radeon R9 285 vs Radeon RX 6300M 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 R9 285 vs Radeon RX 6300M 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 R9 285 vs Radeon RX 6300M: 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 R9 285
2014Why buy it
- ✅17.7% more average FPS across 50 tracked games in our benchmark data.
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 26.8 vs 0 G3D/$ ($249 MSRP vs Unknown MSRP).
Trade-offs
- ❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
- ❌2014 hardware with 4 GB of VRAM already sits in legacy territory for modern games.
- ❌442.9% higher power demand at 190W vs 35W.
Radeon RX 6300M
2022Why buy it
- ✅Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
- ✅Better long-term bet: RDNA 2.0 (2020−2025) on 6nm gives it a newer hardware base for upcoming games.
- ✅Draws 35W instead of 190W, a 155W reduction.
Trade-offs
- ❌Lower average FPS than Radeon R9 285 across 50 tracked games in our benchmark data.
- ❌Lower G3D Mark per dollar, at 0 vs 26.8 G3D/$ (Unknown MSRP vs $249 MSRP).
Quick Answers
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Radeon R9 285 vs Radeon RX 6300M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon R9 285
The Radeon R9 285 is manufactured by AMD. It was released in September 2 2014. It features the GCN 3.0 architecture. The core clock speed is 918 MHz. It has 1792 shading units. The thermal design power (TDP) is 190W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 6,680 points. Launch price was $249.

Radeon RX 6300M
The Radeon RX 6300M is manufactured by AMD. It was released in January 4 2022. It features the RDNA 2.0 architecture. The core clock ranges from 2000 MHz to 2400 MHz. It has 768 shading units. The thermal design power (TDP) is 35W. Manufactured using 6 nm process technology. It features 12 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 6,421 points.
Graphics Performance
The Radeon R9 285 scores 6,680 and the Radeon RX 6300M reaches 6,421 in the G3D Mark benchmark — just a 4% difference, making them near-identical in rasterization performance. The Radeon R9 285 is built on GCN 3.0 while the Radeon RX 6300M uses RDNA 2.0, both on 28 nm vs 6 nm. Shader units: 1,792 (Radeon R9 285) vs 768 (Radeon RX 6300M). Raw compute: 3.29 TFLOPS (Radeon R9 285) vs 3.686 TFLOPS (Radeon RX 6300M).
| Feature | Radeon R9 285 | Radeon RX 6300M |
|---|---|---|
| G3D Mark Score | 6,680+4% | 6,421 |
| Architecture | GCN 3.0 | RDNA 2.0 |
| Process Node | 28 nm | 6 nm |
| Shading Units | 1792+133% | 768 |
| Compute (TFLOPS) | 3.29 TFLOPS | 3.686 TFLOPS+12% |
| ROPs | 32 | 32 |
| TMUs | 112+133% | 48 |
| L1 Cache | 448 KB+75% | 256 KB |
| L2 Cache | 0.5 MB | 1 MB+100% |
| Frame Generation | FSR upscaling | FSR 3 + AFMF |
Advanced Features (DLSS/FSR)
The clearest feature edge for the Radeon RX 6300M is support for FSR Frame Generation + AFMF. In games that support it, that can smooth out motion and lift perceived FPS. The Radeon R9 285 does not have comparable native support in the same tier.
| Feature | Radeon R9 285 | Radeon RX 6300M |
|---|---|---|
| Upscaling Tech | FSR Upscaling / FSR 4 | FSR 3 |
| Frame Generation | Not Supported | FSR Frame Generation + AFMF |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
Both cards ship with 4 GB of video memory. Memory bandwidth: 176 GB/s (Radeon R9 285) vs 64 GB/s (Radeon RX 6300M) — a 175% advantage for the Radeon R9 285. Memory bus width is 256-bit on the Radeon R9 285 and 32-bit on the Radeon RX 6300M. L2 Cache: 0.5 MB (Radeon R9 285) vs 1 MB (Radeon RX 6300M) — the Radeon RX 6300M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R9 285 | Radeon RX 6300M |
|---|---|---|
| VRAM Capacity | 4 GB | 4 GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bandwidth | 176 GB/s+175% | 64 GB/s |
| Bus Width | 256-bit+700% | 32-bit |
| L2 Cache | 0.5 MB | 1 MB+100% |
Display & API Support
DirectX support: 12.0 (Radeon R9 285) vs 12 Ultimate (Radeon RX 6300M). Vulkan: 1.2 vs 1.4. OpenGL: 4.4 vs 4.6. Maximum simultaneous displays: 4 vs 3.
| Feature | Radeon R9 285 | Radeon RX 6300M |
|---|---|---|
| DirectX | 12.0 | 12 Ultimate |
| Vulkan | 1.2 | 1.4+17% |
| OpenGL | 4.4 | 4.6+5% |
| Max Displays | 4+33% | 3 |
Media & Encoding
Decoder: UVD 5.0 vs Navi 24 Media. Supported codecs: MPEG-2,H.264 (Radeon R9 285) vs H.264,H.265/HEVC (Radeon RX 6300M).
| Feature | Radeon R9 285 | Radeon RX 6300M |
|---|---|---|
| Encoder | VCE 3.0 | — |
| Decoder | UVD 5.0 | Navi 24 Media |
| Codecs | MPEG-2,H.264 | H.264,H.265/HEVC |
Power & Dimensions
The Radeon R9 285 draws 190W versus the Radeon RX 6300M's 35W — a 137.8% difference. The Radeon RX 6300M is more power-efficient. Recommended PSU: 500W (Radeon R9 285) vs 350W (Radeon RX 6300M). Power connectors: 2x 6-pin vs Mobile. Typical load temperature: 65°C vs 70°C.
| Feature | Radeon R9 285 | Radeon RX 6300M |
|---|---|---|
| TDP | 190W | 35W-82% |
| Recommended PSU | 500W | 350W-30% |
| Power Connector | 2x 6-pin | Mobile |
| Length | 221mm | — |
| Height | 109mm | — |
| Slots | 2 | 0-100% |
| Temp (Load) | 65°C-7% | 70°C |
| Perf/Watt | 35.2 | 183.5+421% |
Value Analysis
The newer card here is Radeon RX 6300M (2022 vs 2014).
| Feature | Radeon R9 285 | Radeon RX 6300M |
|---|---|---|
| MSRP | $249 | — |
| Codename | Tonga | Navi 24 |
| Release | September 2 2014 | January 4 2022 |
| Ranking | #365 | #379 |
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