
GRID K520

Radeon HD 7970M
GRID K520 vs Radeon HD 7970M 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 K520 vs Radeon HD 7970M 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 K520 vs Radeon HD 7970M: 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 K520
2013Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 1.0 vs 0 G3D/$ ($3,599 MSRP vs Unknown MSRP).
Trade-offs
- ❌Less VRAM, with 2 GB vs 4 GB for high-resolution textures and newer games.
- ❌2013 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌125% higher power demand at 225W vs 100W.
Radeon HD 7970M
2012Why buy it
- ✅100% more VRAM for high-resolution textures and newer games (4 GB vs 2 GB).
- ✅Draws 100W instead of 225W, a 125W reduction.
Trade-offs
- ❌2012 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 1.0 G3D/$ (Unknown MSRP vs $3,599 MSRP).
Quick Answers
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GRID K520 vs Radeon HD 7970M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GRID K520
The GRID K520 is manufactured by NVIDIA. It was released in July 23 2013. It features the Kepler architecture. The core clock speed is 745 MHz. It has 1536 ×2 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,516 points. Launch price was $3,599.

Radeon HD 7970M
The Radeon HD 7970M is manufactured by AMD. It was released in April 24 2012. It features the GCN 1.0 architecture. The core clock speed is 850 MHz. It has 1280 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,663 points.
Graphics Performance
The GRID K520 scores 3,516 and the Radeon HD 7970M reaches 3,663 in the G3D Mark benchmark — just a 4.2% difference, making them near-identical in rasterization performance. The GRID K520 is built on Kepler while the Radeon HD 7970M uses GCN 1.0, both on a 28 nm process. Shader units: 1,536 (GRID K520) vs 1,280 (Radeon HD 7970M). Raw compute: 2.289 TFLOPS ×2 (GRID K520) vs 2.176 TFLOPS (Radeon HD 7970M).
| Feature | GRID K520 | Radeon HD 7970M |
|---|---|---|
| G3D Mark Score | 3,516 | 3,663+4% |
| Architecture | Kepler | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1536 ×2+20% | 1280 |
| Compute (TFLOPS) | 2.289 TFLOPS ×2+5% | 2.176 TFLOPS |
| ROPs | 32 ×2 | 32 |
| TMUs | 128 ×2+60% | 80 |
| L1 Cache | 128 KB | 320 KB+150% |
| L2 Cache | 512 KB | 512 KB |
Advanced Features (DLSS/FSR)
| Feature | GRID K520 | Radeon HD 7970M |
|---|---|---|
| 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 K520 has 2 GB of VRAM, while the Radeon HD 7970M carries 4 GB. Radeon HD 7970M gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the GRID K520 and System on the Radeon HD 7970M.
| Feature | GRID K520 | Radeon HD 7970M |
|---|---|---|
| VRAM Capacity | 2 GB | 4 GB+100% |
| Memory Type | GDDR5 | Shared |
| Bus Width | 64-bit | System |
| L2 Cache | 512 KB | 512 KB |
Display & API Support
DirectX support: 12 (11_0) (GRID K520) vs 12 (11_1) (Radeon HD 7970M). Vulkan: 1.2 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 0 vs 6.
| Feature | GRID K520 | Radeon HD 7970M |
|---|---|---|
| DirectX | 12 (11_0) | 12 (11_1) |
| Vulkan | 1.2 | 1.2 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 0 | 6 |
Media & Encoding
Hardware encoder: NVENC 1 (GRID K520) vs VCE 1.0 (Radeon HD 7970M). Decoder: NVDEC 1 vs UVD 3. Supported codecs: H.264,MPEG-2,VC-1 (GRID K520) vs H.264,VC-1,MPEG-2,MPEG-4 (Radeon HD 7970M).
| Feature | GRID K520 | Radeon HD 7970M |
|---|---|---|
| Encoder | NVENC 1 | VCE 1.0 |
| Decoder | NVDEC 1 | UVD 3 |
| Codecs | H.264,MPEG-2,VC-1 | H.264,VC-1,MPEG-2,MPEG-4 |
Power & Dimensions
The GRID K520 draws 225W versus the Radeon HD 7970M's 100W — a 76.9% difference. The Radeon HD 7970M is more power-efficient. Recommended PSU: 350W (GRID K520) vs 350W (Radeon HD 7970M). Power connectors: PCIe-powered vs 1x 6-pin. Typical load temperature: 75°C vs 85°C.
| Feature | GRID K520 | Radeon HD 7970M |
|---|---|---|
| TDP | 225W | 100W-56% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | 1x 6-pin |
| Length | 267mm | — |
| Height | 111mm | — |
| Slots | 2 | 0-100% |
| Temp (Load) | 75°C-12% | 85°C |
| Perf/Watt | 15.6 | 36.6+135% |
Value Analysis
The newer card here is GRID K520 (2013 vs 2012).
| Feature | GRID K520 | Radeon HD 7970M |
|---|---|---|
| MSRP | $3599 | — |
| Codename | GK104 | Wimbledon |
| Release | July 23 2013 | April 24 2012 |
| Ranking | #540 | #531 |
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