
Radeon HD 7870 XT

Tesla K20Xm
Radeon HD 7870 XT vs Tesla K20Xm 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 XT vs Tesla K20Xm 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
Radeon HD 7870 XT vs Tesla K20Xm: 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 XT
2012Why buy it
- ✅Costs $7,429 less on MSRP ($270 MSRP vs $7,699 MSRP).
- ✅Delivers 2794.9% more G3D Mark for each dollar spent, at 16.6 vs 0.6 G3D/$ ($270 MSRP vs $7,699 MSRP).
- ✅Draws 185W instead of 235W, a 50W reduction.
Trade-offs
- ❌Less VRAM, with 2 GB vs 6 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.
Tesla K20Xm
2012Why buy it
- ✅200% more VRAM for high-resolution textures and newer games (6 GB vs 2 GB).
- ✅More future proof: Kepler (2012−2018) on 28nm with a newer platform for upcoming games.
Trade-offs
- ❌2012 hardware with 6 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌2751.5% HIGHER MSRP$7,699 MSRPvs$270 MSRP
- ❌Lower G3D Mark per dollar, at 0.6 vs 16.6 G3D/$ ($7,699 MSRP vs $270 MSRP).
- ❌27% higher power demand at 235W vs 185W.
Quick Answers
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Radeon HD 7870 XT vs Tesla K20Xm Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon HD 7870 XT
The Radeon HD 7870 XT is manufactured by AMD. It was released in November 19 2012. It features the GCN 1.0 architecture. The core clock ranges from 925 MHz to 975 MHz. It has 1536 shading units. The thermal design power (TDP) is 185W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,470 points. Launch price was $270.

Tesla K20Xm
The Tesla K20Xm is manufactured by NVIDIA. It was released in November 12 2012. It features the Kepler architecture. The core clock speed is 732 MHz. It has 2688 shading units. The thermal design power (TDP) is 235W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,403 points. Launch price was $7,699.
Graphics Performance
The Radeon HD 7870 XT scores 4,470 and the Tesla K20Xm reaches 4,403 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The Radeon HD 7870 XT is built on GCN 1.0 while the Tesla K20Xm uses Kepler, both on a 28 nm process. Shader units: 1,536 (Radeon HD 7870 XT) vs 2,688 (Tesla K20Xm). Raw compute: 2.995 TFLOPS (Radeon HD 7870 XT) vs 3.935 TFLOPS (Tesla K20Xm).
| Feature | Radeon HD 7870 XT | Tesla K20Xm |
|---|---|---|
| G3D Mark Score | 4,470+2% | 4,403 |
| Architecture | GCN 1.0 | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1536 | 2688+75% |
| Compute (TFLOPS) | 2.995 TFLOPS | 3.935 TFLOPS+31% |
| ROPs | 32 | 48+50% |
| TMUs | 96 | 224+133% |
| L1 Cache | 384 KB+71% | 224 KB |
| L2 Cache | 0.5 MB | 1.5 MB+200% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7870 XT | Tesla K20Xm |
|---|---|---|
| Upscaling Tech | FSR Upscaling / FSR 4 | Upscaling support |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The Radeon HD 7870 XT has 2 GB of VRAM, while the Tesla K20Xm carries 6 GB. Tesla K20Xm gives you 200% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 256-bit on the Radeon HD 7870 XT and 64-bit on the Tesla K20Xm. L2 Cache: 0.5 MB (Radeon HD 7870 XT) vs 1.5 MB (Tesla K20Xm) — the Tesla K20Xm has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7870 XT | Tesla K20Xm |
|---|---|---|
| VRAM Capacity | 2 GB | 6 GB+200% |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256-bit+300% | 64-bit |
| L2 Cache | 0.5 MB | 1.5 MB+200% |
Power & Dimensions
The Radeon HD 7870 XT draws 185W versus the Tesla K20Xm's 235W — a 23.8% difference. The Radeon HD 7870 XT is more power-efficient. Recommended PSU: 500W (Radeon HD 7870 XT) vs 350W (Tesla K20Xm). Power connectors: 2x 6-pin vs PCIe-powered.
| Feature | Radeon HD 7870 XT | Tesla K20Xm |
|---|---|---|
| TDP | 185W-21% | 235W |
| Recommended PSU | 500W | 350W-30% |
| Power Connector | 2x 6-pin | PCIe-powered |
| Length | 267mm | — |
| Height | 111mm | — |
| Slots | 2 | — |
| Temp (Load) | 80 | — |
| Perf/Watt | 24.2+29% | 18.7 |
Value Analysis
At launch, the Radeon HD 7870 XT came in at $270, while the Tesla K20Xm launched at $7699. On MSRP, Radeon HD 7870 XT was 96.5% cheaper ($7429 less). Performance per dollar on MSRP (G3D Mark / MSRP): 16.6 (Radeon HD 7870 XT) vs 0.6 (Tesla K20Xm) — the Radeon HD 7870 XT offers 2666.7% better value.
| Feature | Radeon HD 7870 XT | Tesla K20Xm |
|---|---|---|
| MSRP | $270-96% | $7699 |
| Performance per Dollar | 16.6+2667% | 0.6 |
| Codename | Tahiti | GK110 |
| Release | November 19 2012 | November 12 2012 |
| Ranking | #469 | #473 |
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