
Radeon R9 390X

RTX A1000 Mobile
Radeon R9 390X vs RTX A1000 Mobile 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 390X vs RTX A1000 Mobile 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 390X vs RTX A1000 Mobile: 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 390X
2015Why buy it
- ✅44.8% more average FPS across 50 tracked games in our benchmark data.
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 21.6 vs 0 G3D/$ ($429 MSRP vs Unknown MSRP).
- ✅100% more VRAM for high-resolution textures and newer games (8 GB vs 4 GB).
Trade-offs
- ❌2015 hardware with 8 GB of VRAM already sits in legacy territory for modern games.
- ❌358.3% higher power demand at 275W vs 60W.
RTX A1000 Mobile
2022Why buy it
- ✅Better long-term bet: Ampere (2020−2025) on 8nm gives it a newer hardware base for upcoming games.
- ✅Draws 60W instead of 275W, a 215W reduction.
- ✅More future proof: Ampere (2020−2025) on 8nm with a newer platform for upcoming games.
Trade-offs
- ❌Lower average FPS than Radeon R9 390X across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 4 GB vs 8 GB for high-resolution textures and newer games.
- ❌Lower G3D Mark per dollar, at 0 vs 21.6 G3D/$ (Unknown MSRP vs $429 MSRP).
Quick Answers
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Radeon R9 390X vs RTX A1000 Mobile Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon R9 390X
The Radeon R9 390X is manufactured by AMD. It was released in June 18 2015. It features the GCN 2.0 architecture. The boost clock speed is 1050 MHz. It has 2816 shading units. The thermal design power (TDP) is 275W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 9,278 points. Launch price was $429.

RTX A1000 Mobile
The RTX A1000 Mobile is manufactured by NVIDIA. It was released in March 30 2022. It features the Ampere architecture. The core clock ranges from 630 MHz to 1140 MHz. It has 2048 shading units. The thermal design power (TDP) is 60W. Manufactured using 8 nm process technology. It features 16 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 9,463 points.
Graphics Performance
The Radeon R9 390X scores 9,278 and the RTX A1000 Mobile reaches 9,463 in the G3D Mark benchmark — just a 2% difference, making them near-identical in rasterization performance. The Radeon R9 390X is built on GCN 2.0 while the RTX A1000 Mobile uses Ampere, both on 28 nm vs 8 nm. Shader units: 2,816 (Radeon R9 390X) vs 2,048 (RTX A1000 Mobile). Raw compute: 5.914 TFLOPS (Radeon R9 390X) vs 4.669 TFLOPS (RTX A1000 Mobile). Boost clocks: 1050 MHz vs 1140 MHz.
| Feature | Radeon R9 390X | RTX A1000 Mobile |
|---|---|---|
| G3D Mark Score | 9,278 | 9,463+2% |
| Architecture | GCN 2.0 | Ampere |
| Process Node | 28 nm | 8 nm |
| Shading Units | 2816+38% | 2048 |
| Compute (TFLOPS) | 5.914 TFLOPS+27% | 4.669 TFLOPS |
| Boost Clock | 1050 MHz | 1140 MHz+9% |
| ROPs | 64+100% | 32 |
| TMUs | 176+175% | 64 |
| L1 Cache | 0.69 MB | 2 MB+190% |
| L2 Cache | 1 MB | 2 MB+100% |
Advanced Features (DLSS/FSR)
The RTX A1000 Mobile gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon R9 390X leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | Radeon R9 390X | RTX A1000 Mobile |
|---|---|---|
| Upscaling Tech | FSR Upscaling / FSR 4 | Upscaling support |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | NVIDIA Reflex |
Video Memory (VRAM)
The Radeon R9 390X has 8 GB of VRAM, while the RTX A1000 Mobile carries 4 GB. Radeon R9 390X gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 512-bit on the Radeon R9 390X and 128-bit on the RTX A1000 Mobile. L2 Cache: 1 MB (Radeon R9 390X) vs 2 MB (RTX A1000 Mobile) — the RTX A1000 Mobile has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R9 390X | RTX A1000 Mobile |
|---|---|---|
| VRAM Capacity | 8 GB+100% | 4 GB |
| Memory Type | GDDR5 | GDDR6 |
| Bus Width | 512-bit+300% | 128-bit |
| L2 Cache | 1 MB | 2 MB+100% |
Display & API Support
DirectX support: 12 (12_0) (Radeon R9 390X) vs 12.2 (RTX A1000 Mobile). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | Radeon R9 390X | RTX A1000 Mobile |
|---|---|---|
| DirectX | 12 (12_0) | 12.2+2% |
| Vulkan | 1.2 | 1.3+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: VCE 2.0 (Radeon R9 390X) vs 7th Gen NVENC (RTX A1000 Mobile). Decoder: UVD 4.2 vs 5th Gen NVDEC. Supported codecs: H.264,MPEG-2,VC-1 (Radeon R9 390X) vs MPEG-2,H.264,HEVC,VP9,AV1 (Decode) (RTX A1000 Mobile).
| Feature | Radeon R9 390X | RTX A1000 Mobile |
|---|---|---|
| Encoder | VCE 2.0 | 7th Gen NVENC |
| Decoder | UVD 4.2 | 5th Gen NVDEC |
| Codecs | H.264,MPEG-2,VC-1 | MPEG-2,H.264,HEVC,VP9,AV1 (Decode) |
Power & Dimensions
The Radeon R9 390X draws 275W versus the RTX A1000 Mobile's 60W — a 128.4% difference. The RTX A1000 Mobile is more power-efficient. Recommended PSU: 750W (Radeon R9 390X) vs 500W (RTX A1000 Mobile). Power connectors: 6-pin + 8-pin vs PCIe-powered. Card length: 277mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 80 vs 80°C.
| Feature | Radeon R9 390X | RTX A1000 Mobile |
|---|---|---|
| TDP | 275W | 60W-78% |
| Recommended PSU | 750W | 500W-33% |
| Power Connector | 6-pin + 8-pin | PCIe-powered |
| Length | 277mm | 0mm |
| Height | 129mm | 0mm |
| Slots | 2 | 0-100% |
| Temp (Load) | 80 | 80°C |
| Perf/Watt | 33.7 | 157.7+368% |
Value Analysis
The newer card here is RTX A1000 Mobile (2022 vs 2015).
| Feature | Radeon R9 390X | RTX A1000 Mobile |
|---|---|---|
| MSRP | $429 | — |
| Codename | Grenada | GA107 |
| Release | June 18 2015 | March 30 2022 |
| Ranking | #287 | #277 |
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