
Radeon HD 7870

Radeon HD 7950 / R9 280
Radeon HD 7870 vs Radeon HD 7950 / R9 280 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 7870 vs Radeon HD 7950 / R9 280 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 7870 vs Radeon HD 7950 / R9 280: 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 7870
2012Why buy it
- ✅Measures 241mm instead of 278mm, a 37mm shorter card that is more SFF-friendly.
Trade-offs
- ❌Lower average FPS than Radeon HD 7950 / R9 280 across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 2 GB vs 3 GB for high-resolution textures and newer games.
- ❌2012 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌25.1% HIGHER MSRP$349 MSRPvs$279 MSRP
- ❌Lower G3D Mark per dollar, at 13.1 vs 17.1 G3D/$ ($349 MSRP vs $279 MSRP).
Radeon HD 7950 / R9 280
2012Why buy it
- ✅17.8% more average FPS across 50 tracked games in our benchmark data.
- ✅Costs $70 less on MSRP ($279 MSRP vs $349 MSRP).
- ✅Delivers 30.5% more G3D Mark for each dollar spent, at 17.1 vs 13.1 G3D/$ ($279 MSRP vs $349 MSRP).
- ✅50% more VRAM for high-resolution textures and newer games (3 GB vs 2 GB).
Trade-offs
- ❌2012 hardware with 3 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌15.4% longer card at 278mm vs 241mm.
Quick Answers
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Radeon HD 7870 vs Radeon HD 7950 / R9 280 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon HD 7870
The Radeon HD 7870 is manufactured by AMD. It was released in March 5 2012. It features the GCN 1.0 architecture. The core clock speed is 1000 MHz. It has 1280 shading units. The thermal design power (TDP) is 200W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,568 points. Launch price was $349.

Radeon HD 7950 / R9 280
The Radeon HD 7950 / R9 280 is manufactured by AMD. It was released in January 31 2012. It features the GCN 1.0 architecture. The boost clock speed is 1250 MHz. It has 1792 shading units. The thermal design power (TDP) is 200W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,765 points. Launch price was $449.
Graphics Performance
The Radeon HD 7870 scores 4,568 and the Radeon HD 7950 / R9 280 reaches 4,765 in the G3D Mark benchmark — just a 4.3% difference, making them near-identical in rasterization performance. The Radeon HD 7870 is built on GCN 1.0 while the Radeon HD 7950 / R9 280 uses GCN 1.0, both on a 28 nm process. Shader units: 1,280 (Radeon HD 7870) vs 1,792 (Radeon HD 7950 / R9 280). Raw compute: 2.56 TFLOPS (Radeon HD 7870) vs 2.867 TFLOPS (Radeon HD 7950 / R9 280).
| Feature | Radeon HD 7870 | Radeon HD 7950 / R9 280 |
|---|---|---|
| G3D Mark Score | 4,568 | 4,765+4% |
| Architecture | GCN 1.0 | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1280 | 1792+40% |
| Compute (TFLOPS) | 2.56 TFLOPS | 2.867 TFLOPS+12% |
| ROPs | 32 | 32 |
| TMUs | 80 | 112+40% |
| L1 Cache | 320 KB | 448 KB+40% |
| L2 Cache | 512 KB | 768 KB+50% |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7870 | Radeon HD 7950 / R9 280 |
|---|---|---|
| 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 7870 has 2 GB of VRAM, while the Radeon HD 7950 / R9 280 carries 3 GB. Radeon HD 7950 / R9 280 gives you 50% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 153.6 GB/s (Radeon HD 7870) vs 240 GB/s (Radeon HD 7950 / R9 280) — a 56.3% advantage for the Radeon HD 7950 / R9 280. Memory bus width is 256-bit on the Radeon HD 7870 and 384-bit on the Radeon HD 7950 / R9 280. L2 Cache: 512 KB (Radeon HD 7870) vs 768 KB (Radeon HD 7950 / R9 280) — the Radeon HD 7950 / R9 280 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7870 | Radeon HD 7950 / R9 280 |
|---|---|---|
| VRAM Capacity | 2 GB | 3 GB+50% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | 153.6 GB/s | 240 GB/s+56% |
| Bus Width | 256-bit | 384-bit+50% |
| L2 Cache | 512 KB | 768 KB+50% |
Display & API Support
DirectX support: 12 (11_1) (Radeon HD 7870) vs 12 (Radeon HD 7950 / R9 280). Vulkan: 1.2 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 6 vs 4.
| Feature | Radeon HD 7870 | Radeon HD 7950 / R9 280 |
|---|---|---|
| DirectX | 12 (11_1) | 12 |
| Vulkan | 1.2 | 1.2 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 6+50% | 4 |
Media & Encoding
Hardware encoder: VCE 1.0 (Radeon HD 7870) vs VCE 1.0 (Radeon HD 7950 / R9 280). Decoder: UVD 4.0 vs UVD 3.2. Supported codecs: H.264,MPEG-2,VC-1 (Radeon HD 7870) vs H.264,MPEG-2,VC-1,MVC (Radeon HD 7950 / R9 280).
| Feature | Radeon HD 7870 | Radeon HD 7950 / R9 280 |
|---|---|---|
| Encoder | VCE 1.0 | VCE 1.0 |
| Decoder | UVD 4.0 | UVD 3.2 |
| Codecs | H.264,MPEG-2,VC-1 | H.264,MPEG-2,VC-1,MVC |
Power & Dimensions
The Radeon HD 7870 draws 200W versus the Radeon HD 7950 / R9 280's 200W — a 0% difference. The Radeon HD 7950 / R9 280 is more power-efficient. Recommended PSU: 500W (Radeon HD 7870) vs 500W (Radeon HD 7950 / R9 280). Power connectors: 2x 6-pin vs 2x 6-pin. Card length: 241mm vs 278mm, occupying 2 vs 2 slots. Typical load temperature: 80°C vs 80°C.
| Feature | Radeon HD 7870 | Radeon HD 7950 / R9 280 |
|---|---|---|
| TDP | 200W | 200W |
| Recommended PSU | 500W | 500W |
| Power Connector | 2x 6-pin | 2x 6-pin |
| Length | 241mm | 278mm |
| Height | 111mm | 111mm |
| Slots | 2 | 2 |
| Temp (Load) | 80°C | 80°C |
| Perf/Watt | 22.8 | 23.8+4% |
Value Analysis
At launch, the Radeon HD 7870 came in at $349, while the Radeon HD 7950 / R9 280 launched at $279. On MSRP, Radeon HD 7950 / R9 280 was 20.1% cheaper ($70 less). Performance per dollar on MSRP (G3D Mark / MSRP): 13.1 (Radeon HD 7870) vs 17.1 (Radeon HD 7950 / R9 280) — the Radeon HD 7950 / R9 280 offers 30.5% better value.
| Feature | Radeon HD 7870 | Radeon HD 7950 / R9 280 |
|---|---|---|
| MSRP | $349 | $279-20% |
| Performance per Dollar | 13.1 | 17.1+31% |
| Codename | Pitcairn | Tahiti |
| Release | March 5 2012 | January 31 2012 |
| Ranking | #460 | #454 |
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