
GeForce 820A

GeForce GT 550M
GeForce 820A vs GeForce GT 550M 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.
GeForce 820A vs GeForce GT 550M 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
GeForce 820A vs GeForce GT 550M: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GeForce 820A
2014Why buy it
- ✅38.0% 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/$ ($100 MSRP vs Unknown MSRP).
- ✅Draws 33W instead of 50W, a 17W reduction.
Trade-offs
- ❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
- ❌2014 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
GeForce GT 550M
2013Why buy it
- ✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).
Trade-offs
- ❌Lower average FPS than GeForce 820A across 50 tracked games in our benchmark data.
- ❌2013 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 5.6 G3D/$ (Unknown MSRP vs $100 MSRP).
- ❌51.5% higher power demand at 50W vs 33W.
Quick Answers
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GeForce 820A vs GeForce GT 550M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce 820A
The GeForce 820A is manufactured by NVIDIA. It was released in July 22 2014. It features the Maxwell architecture. The core clock ranges from 1082 MHz to 1150 MHz. It has 256 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 556 points.

GeForce GT 550M
The GeForce GT 550M is manufactured by NVIDIA. It was released in June 25 2013. It features the Kepler architecture. The core clock speed is 980 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 561 points.
Graphics Performance
The GeForce 820A scores 556 and the GeForce GT 550M reaches 561 in the G3D Mark benchmark — just a 0.9% difference, making them near-identical in rasterization performance. The GeForce 820A is built on Maxwell while the GeForce GT 550M uses Kepler, both on a 28 nm process. Shader units: 256 (GeForce 820A) vs 384 (GeForce GT 550M). Raw compute: 0.5888 TFLOPS (GeForce 820A) vs 0.7526 TFLOPS (GeForce GT 550M).
| Feature | GeForce 820A | GeForce GT 550M |
|---|---|---|
| G3D Mark Score | 556 | 561 |
| Architecture | Maxwell | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 256 | 384+50% |
| Compute (TFLOPS) | 0.5888 TFLOPS | 0.7526 TFLOPS+28% |
| ROPs | 8 | 16+100% |
| TMUs | 16 | 32+100% |
| L1 Cache | 128 KB+300% | 32 KB |
| L2 Cache | 1 MB+300% | 0.25 MB |
Advanced Features (DLSS/FSR)
| Feature | GeForce 820A | GeForce GT 550M |
|---|---|---|
| Upscaling Tech | Upscaling support | Upscaling support |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | NVIDIA Reflex |
Video Memory (VRAM)
The GeForce 820A has 512 MB of VRAM, while the GeForce GT 550M carries 1 GB. GeForce GT 550M gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce 820A and 128-bit on the GeForce GT 550M. L2 Cache: 1 MB (GeForce 820A) vs 0.25 MB (GeForce GT 550M) — the GeForce 820A has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce 820A | GeForce GT 550M |
|---|---|---|
| VRAM Capacity | 0.5 GB | 1 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 1 MB+300% | 0.25 MB |
Display & API Support
DirectX support: 12 (11_0) (GeForce 820A) vs 11.0 (GeForce GT 550M). Vulkan: N/A vs None. OpenGL: 4.6 vs 4.0. Maximum simultaneous displays: 2 vs 1.
| Feature | GeForce 820A | GeForce GT 550M |
|---|---|---|
| DirectX | 12 (11_0)+9% | 11.0 |
| Vulkan | N/A | None |
| OpenGL | 4.6+15% | 4.0 |
| Max Displays | 2+100% | 1 |
Media & Encoding
Hardware encoder: N/A (GeForce 820A) vs No (GeForce GT 550M). Decoder: PureVideo HD (VP5) vs PureVideo HD VP4. Supported codecs: H.264,VC-1,MPEG-2 (GeForce 820A) vs MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 550M).
| Feature | GeForce 820A | GeForce GT 550M |
|---|---|---|
| Encoder | N/A | No |
| Decoder | PureVideo HD (VP5) | PureVideo HD VP4 |
| Codecs | H.264,VC-1,MPEG-2 | MPEG-2,H.264,VC-1,MPEG-4 ASP |
Power & Dimensions
The GeForce 820A draws 33W versus the GeForce GT 550M's 50W — a 41% difference. The GeForce 820A is more power-efficient. Recommended PSU: 350W (GeForce 820A) vs 350W (GeForce GT 550M). Power connectors: Legacy vs PCIe-powered. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 70 vs 85°C.
| Feature | GeForce 820A | GeForce GT 550M |
|---|---|---|
| TDP | 33W-34% | 50W |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | PCIe-powered |
| Length | 0mm | 0mm |
| Height | 0mm | 0mm |
| Slots | 0 | 0 |
| Temp (Load) | 70-18% | 85°C |
| Perf/Watt | 16.8+50% | 11.2 |
Value Analysis
The newer card here is GeForce 820A (2014 vs 2013).
| Feature | GeForce 820A | GeForce GT 550M |
|---|---|---|
| MSRP | $100 | — |
| Codename | GM108 | GK107 |
| Release | July 22 2014 | June 25 2013 |
| Ranking | #832 | #726 |
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