
GeForce GTX 555

Radeon HD 8870M
GeForce GTX 555 vs Radeon HD 8870M 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 GTX 555 vs Radeon HD 8870M 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 GTX 555 vs Radeon HD 8870M: 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 GTX 555
2011Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 10.7 vs 0 G3D/$ ($150 MSRP vs Unknown MSRP).
Trade-offs
- ❌Lower average FPS than Radeon HD 8870M across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 1 GB vs 2 GB for high-resolution textures and newer games.
- ❌2011 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌40% higher power demand at 70W vs 50W.
Radeon HD 8870M
2013Why buy it
- ✅13.5% more average FPS across 50 tracked games in our benchmark data.
- ✅100% more VRAM for high-resolution textures and newer games (2 GB vs 1 GB).
- ✅Draws 50W instead of 70W, a 20W reduction.
Trade-offs
- ❌2013 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 10.7 G3D/$ (Unknown MSRP vs $150 MSRP).
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GeForce GTX 555 vs Radeon HD 8870M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce GTX 555
The GeForce GTX 555 is manufactured by NVIDIA. It was released in May 14 2011. It features the Fermi 2.0 architecture. The core clock speed is 720 MHz. It has 144 shading units. The thermal design power (TDP) is 70W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,604 points. Launch price was $149.

Radeon HD 8870M
The Radeon HD 8870M is manufactured by AMD. It was released in April 1 2013. It features the GCN 1.0 architecture. The core clock ranges from 725 MHz to 775 MHz. It has 640 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,638 points.
Graphics Performance
The GeForce GTX 555 scores 1,604 and the Radeon HD 8870M reaches 1,638 in the G3D Mark benchmark — just a 2.1% difference, making them near-identical in rasterization performance. The GeForce GTX 555 is built on Fermi 2.0 while the Radeon HD 8870M uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 144 (GeForce GTX 555) vs 640 (Radeon HD 8870M). Raw compute: 0.4147 TFLOPS (GeForce GTX 555) vs 0.992 TFLOPS (Radeon HD 8870M).
| Feature | GeForce GTX 555 | Radeon HD 8870M |
|---|---|---|
| G3D Mark Score | 1,604 | 1,638+2% |
| Architecture | Fermi 2.0 | GCN 1.0 |
| Process Node | 40 nm | 28 nm |
| Shading Units | 144 | 640+344% |
| Compute (TFLOPS) | 0.4147 TFLOPS | 0.992 TFLOPS+139% |
| ROPs | 16 | 16 |
| TMUs | 24 | 40+67% |
| L1 Cache | 192 KB+20% | 160 KB |
| L2 Cache | 384 KB+50% | 256 KB |
Advanced Features (DLSS/FSR)
The GeForce GTX 555 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD 8870M leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GTX 555 | Radeon HD 8870M |
|---|---|---|
| Upscaling Tech | Upscaling support | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GTX 555 has 1 GB of VRAM, while the Radeon HD 8870M carries 2 GB. Radeon HD 8870M 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 GTX 555 and System on the Radeon HD 8870M. L2 Cache: 384 KB (GeForce GTX 555) vs 256 KB (Radeon HD 8870M) — the GeForce GTX 555 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GTX 555 | Radeon HD 8870M |
|---|---|---|
| VRAM Capacity | 1 GB | 2 GB+100% |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
| L2 Cache | 384 KB+50% | 256 KB |
Display & API Support
DirectX support: 12 (11_0) (GeForce GTX 555) vs 11.1 (Radeon HD 8870M). Vulkan: 1.2 vs 1.1. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 2 vs 4.
| Feature | GeForce GTX 555 | Radeon HD 8870M |
|---|---|---|
| DirectX | 12 (11_0)+8% | 11.1 |
| Vulkan | 1.2+9% | 1.1 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 2 | 4+100% |
Media & Encoding
Hardware encoder: PureVideo HD VP4 (GeForce GTX 555) vs VCE 1.0 (Radeon HD 8870M). Decoder: PureVideo HD VP4 vs UVD 3.0. Supported codecs: H.264,VC-1,MPEG-2,MPEG-4 ASP (GeForce GTX 555) vs H.264,MPEG-2,VC-1,MVC (Radeon HD 8870M).
| Feature | GeForce GTX 555 | Radeon HD 8870M |
|---|---|---|
| Encoder | PureVideo HD VP4 | VCE 1.0 |
| Decoder | PureVideo HD VP4 | UVD 3.0 |
| Codecs | H.264,VC-1,MPEG-2,MPEG-4 ASP | H.264,MPEG-2,VC-1,MVC |
Power & Dimensions
The GeForce GTX 555 draws 70W versus the Radeon HD 8870M's 50W — a 33.3% difference. The Radeon HD 8870M is more power-efficient. Recommended PSU: 450W (GeForce GTX 555) vs 350W (Radeon HD 8870M). Power connectors: 1x 6-pin vs 1x 6-pin. Typical load temperature: 75°C vs 85.
| Feature | GeForce GTX 555 | Radeon HD 8870M |
|---|---|---|
| TDP | 70W | 50W-29% |
| Recommended PSU | 450W | 350W-22% |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | 210mm | — |
| Height | 111mm | — |
| Slots | 2 | 0-100% |
| Temp (Load) | 75°C-12% | 85 |
| Perf/Watt | 22.9 | 32.8+43% |
Value Analysis
The newer card here is Radeon HD 8870M (2013 vs 2011).
| Feature | GeForce GTX 555 | Radeon HD 8870M |
|---|---|---|
| MSRP | $150 | — |
| Codename | GF116 | Venus |
| Release | May 14 2011 | April 1 2013 |
| Ranking | #849 | #745 |
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