
GRID M60-8A

Radeon HD 7990
GRID M60-8A vs Radeon HD 7990 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.
GRID M60-8A vs Radeon HD 7990 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
GRID M60-8A vs Radeon HD 7990: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GRID M60-8A
2015Why buy it
- ✅33.3% more VRAM for high-resolution textures and newer games (4 GB vs 3 GB).
- ✅Draws 225W instead of 375W, a 150W reduction.
- ✅Measures 1mm instead of 305mm, a 304mm shorter card that is more SFF-friendly.
Trade-offs
- ❌2015 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌150.3% HIGHER MSRP$2,500 MSRPvs$999 MSRP
- ❌Lower G3D Mark per dollar, at 2.2 vs 5.6 G3D/$ ($2,500 MSRP vs $999 MSRP).
Radeon HD 7990
2013Why buy it
- ✅Costs $1,501 less on MSRP ($999 MSRP vs $2,500 MSRP).
- ✅Delivers 152.2% more G3D Mark for each dollar spent, at 5.6 vs 2.2 G3D/$ ($999 MSRP vs $2,500 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.
- ❌66.7% higher power demand at 375W vs 225W.
- ❌30400% longer card at 305mm vs 1mm.
Quick Answers
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GRID M60-8A vs Radeon HD 7990 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GRID M60-8A
The GRID M60-8A is manufactured by NVIDIA. It was released in August 30 2015. It features the Maxwell 2.0 architecture. The core clock ranges from 557 MHz to 1178 MHz. It has 2048 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 5,523 points.

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.
Graphics Performance
The GRID M60-8A scores 5,523 and the Radeon HD 7990 reaches 5,566 in the G3D Mark benchmark — just a 0.8% difference, making them near-identical in rasterization performance. The GRID M60-8A is built on Maxwell 2.0 while the Radeon HD 7990 uses GCN 1.0, both on a 28 nm process. Shader units: 2,048 (GRID M60-8A) vs 2,048 (Radeon HD 7990). Raw compute: 4.825 TFLOPS (GRID M60-8A) vs 4.096 TFLOPS ×2 (Radeon HD 7990). Boost clocks: 1178 MHz vs 1000 MHz.
| Feature | GRID M60-8A | Radeon HD 7990 |
|---|---|---|
| G3D Mark Score | 5,523 | 5,566 |
| Architecture | Maxwell 2.0 | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 2048 | 2048 ×2 |
| Compute (TFLOPS) | 4.825 TFLOPS+18% | 4.096 TFLOPS ×2 |
| Boost Clock | 1178 MHz+18% | 1000 MHz |
| ROPs | 64+100% | 32 ×2 |
| TMUs | 128 | 128 ×2 |
| L1 Cache | 768 KB+50% | 512 KB |
| L2 Cache | 2 MB+167% | 0.75 MB |
Advanced Features (DLSS/FSR)
| Feature | GRID M60-8A | Radeon HD 7990 |
|---|---|---|
| Upscaling Tech | Upscaling support | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GRID M60-8A has 4 GB of VRAM, while the Radeon HD 7990 carries 3 GB. GRID M60-8A gives you 33.3% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GRID M60-8A and 384-bit x2 on the Radeon HD 7990. L2 Cache: 2 MB (GRID M60-8A) vs 0.75 MB (Radeon HD 7990) — the GRID M60-8A has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GRID M60-8A | Radeon HD 7990 |
|---|---|---|
| VRAM Capacity | 4 GB+33% | 3 GB |
| Memory Type | GDDR6 | GDDR5 |
| Bus Width | 128-bit | 384-bit x2+200% |
| L2 Cache | 2 MB+167% | 0.75 MB |
Display & API Support
DirectX support: 12_1 (GRID M60-8A) vs 12 (11_1) (Radeon HD 7990). Maximum simultaneous displays: 0 vs 5.
| Feature | GRID M60-8A | Radeon HD 7990 |
|---|---|---|
| DirectX | 12_1 | 12 (11_1) |
| Max Displays | 0 | 5 |
Power & Dimensions
The GRID M60-8A draws 225W versus the Radeon HD 7990's 375W — a 50% difference. The GRID M60-8A is more power-efficient. Recommended PSU: 350W (GRID M60-8A) vs 750W (Radeon HD 7990). Power connectors: PCIe-powered vs 2x 8-pin. Card length: 1mm vs 305mm, occupying 0 vs 2 slots.
| Feature | GRID M60-8A | Radeon HD 7990 |
|---|---|---|
| TDP | 225W-40% | 375W |
| Recommended PSU | 350W-53% | 750W |
| Power Connector | PCIe-powered | 2x 8-pin |
| Length | 1mm | 305mm |
| Height | — | 111mm |
| Slots | 0-100% | 2 |
| Temp (Load) | — | 85 |
| Perf/Watt | 24.5+66% | 14.8 |
Value Analysis
At launch, the GRID M60-8A came in at $2500, while the Radeon HD 7990 launched at $999. On MSRP, Radeon HD 7990 was 60% cheaper ($1501 less). Performance per dollar on MSRP (G3D Mark / MSRP): 2.2 (GRID M60-8A) vs 5.6 (Radeon HD 7990) — the Radeon HD 7990 offers 154.5% better value. The newer card here is GRID M60-8A (2015 vs 2013).
| Feature | GRID M60-8A | Radeon HD 7990 |
|---|---|---|
| MSRP | $2500 | $999-60% |
| Performance per Dollar | 2.2 | 5.6+155% |
| Codename | GM204 | Malta |
| Release | August 30 2015 | April 24 2013 |
| Ranking | #505 | #412 |
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