
Radeon HD 7790

Radeon Steam Deck 8CU
Radeon HD 7790 vs Radeon Steam Deck 8CU 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 7790 vs Radeon Steam Deck 8CU 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 7790 vs Radeon Steam Deck 8CU: 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 7790
2013Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 20.7 vs 0 G3D/$ ($149 MSRP vs Unknown MSRP).
Trade-offs
- ❌Lower average FPS than Radeon Steam Deck 8CU across 50 tracked games in our benchmark data.
- ❌2013 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌183.3% higher power demand at 85W vs 30W.
- ❌18200% longer card at 183mm vs 1mm.
Radeon Steam Deck 8CU
2023Why buy it
- ✅63.5% more average FPS across 50 tracked games in our benchmark data.
- ✅Better long-term bet: RDNA 2 (2022−2023) on 6nm gives it a newer hardware base for upcoming games.
- ✅Draws 30W instead of 85W, a 55W reduction.
- ✅Measures 1mm instead of 183mm, a 182mm shorter card that is more SFF-friendly.
Trade-offs
- ❌Lower G3D Mark per dollar, at 0 vs 20.7 G3D/$ (Unknown MSRP vs $149 MSRP).
Quick Answers
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Radeon HD 7790 vs Radeon Steam Deck 8CU Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon HD 7790
The Radeon HD 7790 is manufactured by AMD. It was released in March 22 2013. It features the GCN 2.0 architecture. The core clock speed is 1000 MHz. It has 896 shading units. The thermal design power (TDP) is 85W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,090 points. Launch price was $149.

Radeon Steam Deck 8CU
The Radeon Steam Deck 8CU is manufactured by AMD. It was released in November 9 2023. It features the RDNA 2 architecture. The boost clock speed is 1900 MHz. It has 512 shading units. The thermal design power (TDP) is 30W. Manufactured using 6 nm process technology. G3D Mark benchmark score: 3,000 points.
Graphics Performance
The Radeon HD 7790 scores 3,090 and the Radeon Steam Deck 8CU reaches 3,000 in the G3D Mark benchmark — just a 3% difference, making them near-identical in rasterization performance. The Radeon HD 7790 is built on GCN 2.0 while the Radeon Steam Deck 8CU uses RDNA 2, both on 28 nm vs 6 nm. Shader units: 896 (Radeon HD 7790) vs 512 (Radeon Steam Deck 8CU).
| Feature | Radeon HD 7790 | Radeon Steam Deck 8CU |
|---|---|---|
| G3D Mark Score | 3,090+3% | 3,000 |
| Architecture | GCN 2.0 | RDNA 2 |
| Process Node | 28 nm | 6 nm |
| Shading Units | 896+75% | 512 |
| L1 Cache | 224 KB | 512 KB+129% |
| L2 Cache | 0.25 MB | 1 MB+300% |
| Frame Generation | FSR upscaling | FSR upscaling + RSR |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7790 | Radeon Steam Deck 8CU |
|---|---|---|
| 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 2 GB of GDDR5. Memory bus width is 128-bit on the Radeon HD 7790 and 64-bit on the Radeon Steam Deck 8CU. L2 Cache: 0.25 MB (Radeon HD 7790) vs 1 MB (Radeon Steam Deck 8CU) — the Radeon Steam Deck 8CU has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7790 | Radeon Steam Deck 8CU |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 0.25 MB | 1 MB+300% |
Display & API Support
DirectX support: 12 (12_0) (Radeon HD 7790) vs 12_0 (Radeon Steam Deck 8CU). Maximum simultaneous displays: 5 vs 0.
| Feature | Radeon HD 7790 | Radeon Steam Deck 8CU |
|---|---|---|
| DirectX | 12 (12_0) | 12_0 |
| Max Displays | 5 | 0 |
Media & Encoding
Hardware encoder: VCE 2.0 (Radeon HD 7790) vs VCN 3.0 (Radeon Steam Deck 8CU). Decoder: UVD 4.2 vs VCN 3.0.
| Feature | Radeon HD 7790 | Radeon Steam Deck 8CU |
|---|---|---|
| Encoder | VCE 2.0 | VCN 3.0 |
| Decoder | UVD 4.2 | VCN 3.0 |
| Codecs | H.264,VC-1,MPEG-2,MPEG-4 | — |
Power & Dimensions
The Radeon HD 7790 draws 85W versus the Radeon Steam Deck 8CU's 30W — a 95.7% difference. The Radeon Steam Deck 8CU is more power-efficient. Recommended PSU: 400W (Radeon HD 7790) vs 350W (Radeon Steam Deck 8CU). Power connectors: 1x 6-pin vs PCIe-powered. Card length: 183mm vs 1mm, occupying 2 vs 0 slots.
| Feature | Radeon HD 7790 | Radeon Steam Deck 8CU |
|---|---|---|
| TDP | 85W | 30W-65% |
| Recommended PSU | 400W | 350W-13% |
| Power Connector | 1x 6-pin | PCIe-powered |
| Length | 183mm | 1mm |
| Height | 111mm | — |
| Slots | 2 | 0-100% |
| Temp (Load) | 70 | — |
| Perf/Watt | 36.4 | 100.0+175% |
Value Analysis
At launch, the Radeon HD 7790 came in at $149, while the Radeon Steam Deck 8CU launched at $0. On MSRP, Radeon Steam Deck 8CU was 100+% cheaper ($149 less). Performance per dollar on MSRP (G3D Mark / MSRP): 20.7 (Radeon HD 7790) vs Infinity (Radeon Steam Deck 8CU) — the Radeon Steam Deck 8CU offers Infinity% better value. The newer card here is Radeon Steam Deck 8CU (2023 vs 2013).
| Feature | Radeon HD 7790 | Radeon Steam Deck 8CU |
|---|---|---|
| MSRP | $149 | $0-100% |
| Performance per Dollar | 20.7 | Infinity |
| Codename | Bonaire | RDNA 2 Sephiroth |
| Release | March 22 2013 | November 9 2023 |
| Ranking | #579 | #480 |
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