Radeon HD 7990
Radeon TM
Radeon HD 7990 vs Radeon TM 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 7990 vs Radeon TM 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 7990 vs Radeon TM: 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 7990
2013Why buy it
- ✅6.7% more average FPS across 50 tracked games in our benchmark data.
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 5.6 vs 0 G3D/$ ($999 MSRP vs Unknown MSRP).
Trade-offs
- ❌Less VRAM, with 3 GB vs 4 GB for high-resolution textures and newer games.
- ❌2013 hardware with 3 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌2400% higher power demand at 375W vs 15W.
Radeon TM
2024Why buy it
- ✅33.3% more VRAM for high-resolution textures and newer games (4 GB vs 3 GB).
- ✅Better long-term bet: RDNA 3.5 (2024−2025) on 4nm gives it a newer hardware base for upcoming games.
- ✅Draws 15W instead of 375W, a 360W reduction.
Trade-offs
- ❌Lower average FPS than Radeon HD 7990 across 50 tracked games in our benchmark data.
- ❌Lower G3D Mark per dollar, at 0 vs 5.6 G3D/$ (Unknown MSRP vs $999 MSRP).
Quick Answers
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Radeon HD 7990 vs Radeon TM Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Radeon HD 7990
The Radeon HD 7990 is manufactured by AMD. It was released in April 24 2013. It features the GCN 1.0 architecture. The core clock ranges from 950 MHz to 1000 MHz. It has 2048 ×2 shading units. The thermal design power (TDP) is 375W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 5,566 points. Launch price was $999.
Radeon TM
The Radeon TM is manufactured by AMD. It was released in July 15 2024. It features the RDNA 3.5 architecture. The core clock ranges from 400 MHz to 2900 MHz. It has 1024 shading units. The thermal design power (TDP) is 15W. Manufactured using 4 nm process technology. It features 16 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 5,564 points.
Graphics Performance
The Radeon HD 7990 scores 5,566 and the Radeon TM reaches 5,564 in the G3D Mark benchmark — just a 0% difference, making them near-identical in rasterization performance. The Radeon HD 7990 is built on GCN 1.0 while the Radeon TM uses RDNA 3.5, both on 28 nm vs 4 nm. Shader units: 2,048 (Radeon HD 7990) vs 1,024 (Radeon TM). Raw compute: 4.096 TFLOPS ×2 (Radeon HD 7990) vs 5.939 TFLOPS (Radeon TM). Boost clocks: 1000 MHz vs 2900 MHz.
| Feature | Radeon HD 7990 | Radeon TM |
|---|---|---|
| G3D Mark Score | 5,566 | 5,564 |
| Architecture | GCN 1.0 | RDNA 3.5 |
| Process Node | 28 nm | 4 nm |
| Shading Units | 2048 ×2+100% | 1024 |
| Compute (TFLOPS) | 4.096 TFLOPS ×2 | 5.939 TFLOPS+45% |
| Boost Clock | 1000 MHz | 2900 MHz+190% |
| ROPs | 32 ×2 | 32 |
| TMUs | 128 ×2+100% | 64 |
| L1 Cache | 512 KB+100% | 256 KB |
| L2 Cache | 0.75 MB | 2 MB+167% |
| Frame Generation | FSR upscaling | FSR upscaling + RSR |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7990 | Radeon TM |
|---|---|---|
| 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)
The Radeon HD 7990 has 3 GB of VRAM, while the Radeon TM carries 4 GB. Radeon TM gives you 33.3% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 384-bit x2 on the Radeon HD 7990 and 128-bit on the Radeon TM. L2 Cache: 0.75 MB (Radeon HD 7990) vs 2 MB (Radeon TM) — the Radeon TM has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7990 | Radeon TM |
|---|---|---|
| VRAM Capacity | 3 GB | 4 GB+33% |
| Memory Type | GDDR5 | GDDR6 |
| Bus Width | 384-bit x2+200% | 128-bit |
| L2 Cache | 0.75 MB | 2 MB+167% |
Power & Dimensions
The Radeon HD 7990 draws 375W versus the Radeon TM's 15W — a 184.6% difference. The Radeon TM is more power-efficient. Recommended PSU: 750W (Radeon HD 7990) vs 350W (Radeon TM). Power connectors: 2x 8-pin vs PCIe-powered.
| Feature | Radeon HD 7990 | Radeon TM |
|---|---|---|
| TDP | 375W | 15W-96% |
| Recommended PSU | 750W | 350W-53% |
| Power Connector | 2x 8-pin | PCIe-powered |
| Length | 305mm | — |
| Height | 111mm | — |
| Slots | 2 | — |
| Temp (Load) | 85 | — |
| Perf/Watt | 14.8 | 370.9+2406% |
Value Analysis
The newer card here is Radeon TM (2024 vs 2013).
| Feature | Radeon HD 7990 | Radeon TM |
|---|---|---|
| MSRP | $999 | — |
| Codename | Malta | Strix Point |
| Release | April 24 2013 | July 15 2024 |
| Ranking | #412 | #312 |
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