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Estimated

Terra RX 9070 XT

A Terra proposal pairing the Ryzen 5 7600X3D with the PowerColor Reaper RX 9070 XT. For readers willing to investigate cooling, power and cable clearance in a compact enclosure.

Estimated build cost

≈ $2,420

A modeled total from our catalog, parts as of 2026-07-13, not a live price. Check each retailer below for the current number.

See parts & prices
CPU
AMD Ryzen 5 7600X3D
GPU
PowerColor Reaper RX 9070 XT 16GB
Case
Fractal Terra
Volume
10.4 L
OS
SteamOS

Measured reference — the Valve Steam Machine, not this build

This build has not been on our bench, so it carries no measured numbers of its own. These are our own measured results for the Valve Steam Machine — shown so you have a real, cited reference point rather than a spec-sheet estimate. They are that machine's numbers, not this build's, and the two do not share a parts list.

GamePresetResUpscalingAvg FPSSource
Cyberpunk 2077RayTracingLow1440pFSR Quality
57.78fpsPlayable
Verified

Measured

How we measured this
Scene
Built-in benchmark (rigbench cyberpunk-benchmark, cyberpunk2077)
Passes
3
SteamOS
3.8.24
Proton
11.0-100
Mesa
26.2.0-devel
Game build
2.31

Upscaling: FSR Quality. Resolution and preset are shown with the results. Only recorded test details are listed here; other settings and the aggregation method are not specified.

Marvel's Spider-Man Remasteredhigh1440pFSR Quality
68.38fpsGreat
Verified

Measured

How we measured this
Scene
Fixed-route: 60s held camera over a crowded Manhattan rooftop (skyline + Central Park + streets), loaded from a curated save. rigbench MangoHud capture (capture_source=imported) — Spider-Man has NO built-in benchmark.
Passes
3
SteamOS
3.8.24
Proton
Proton 10.0
Mesa
26.2.0-devel
Game build
23986256

Upscaling: FSR Quality. Resolution and preset are shown with the results. Only recorded test details are listed here; other settings and the aggregation method are not specified.

Starfieldlow1440pFSR Performance
62.12fpsGreat
Verified

Measured

How we measured this
Scene
Fixed-route no-swap additive: held camera over the Frontier ship cockpit interior, loaded via CONTINUE from the operator's most-recent save. Low / 1440p / FSR-Performance, VSync off. rigbench MangoHud capture, capture_source=imported. Starfield has NO built-in benchmark. Steam Cloud left ON; save dir untouched.
Passes
3
SteamOS
3.8.24
Proton
Proton Experimental
Mesa
26.2.0-devel
Game build
23518663

Upscaling: FSR Performance. Resolution and preset are shown with the results. Only recorded test details are listed here; other settings and the aggregation method are not specified.

Hogwarts Legacyultra1440pFSR Balanced
15.26fpsRough
Verified

Measured

How we measured this
Scene
Fixed-route capture: Hogsmeade high street: 60s held camera, 1440p Ultra (RT off, FSR3-Balanced, frame-gen off), CPU-bound (imported) — no built-in benchmark (rigbench mangohud, imported)
Passes
3
SteamOS
3.8.24
Proton
10.1000-105
Mesa
26.2.0-devel
Game build
20773316

Upscaling: FSR Balanced. Resolution and preset are shown with the results. Only recorded test details are listed here; other settings and the aggregation method are not specified.

Cyberpunk 2077RayTracingLow1440pNative
21.33fpsRough
Verified

Measured

How we measured this
Scene
Built-in benchmark: cyberpunk2077 (rigbench cyberpunk-benchmark)
Passes
3
SteamOS
3.8.24
Proton
11.0-100
Mesa
26.2.0-devel
Game build
2.31

Upscaling: Native. Resolution and preset are shown with the results. Only recorded test details are listed here; other settings and the aggregation method are not specified.

Cyberpunk 2077Custom RT (reflections + shadows)1440pNative
17.2fpsRough
Verified

Measured

How we measured this
Scene
Built-in benchmark: cyberpunk2077 (rigbench cyberpunk-benchmark)
Passes
3
SteamOS
3.8.24
Proton
11.0-100
Mesa
26.2.0-devel
Game build
2.31

Upscaling: Native. Resolution and preset are shown with the results. Only recorded test details are listed here; other settings and the aggregation method are not specified.

Cyberpunk 2077Path Tracing (Overdrive)1440pNative
12.28fpsRough
Verified

Measured

How we measured this
Scene
Built-in benchmark: cyberpunk2077 (rigbench cyberpunk-benchmark)
Passes
3
SteamOS
3.8.24
Proton
11.0-100
Mesa
26.2.0-devel
Game build
2.31

Upscaling: Native. Resolution and preset are shown with the results. Only recorded test details are listed here; other settings and the aggregation method are not specified.

Cyberpunk 2077RayTracingLow (native, no upscaling)4KNative
14.15fpsRough
Verified

Measured

How we measured this
Scene
Built-in benchmark: cyberpunk2077 (rigbench cyberpunk-benchmark)
Passes
2
SteamOS
3.8.24
Proton
11.0-100
Mesa
26.2.0-devel
Game build
2.31

Upscaling: Native. Resolution and preset are shown with the results. Only recorded test details are listed here; other settings and the aggregation method are not specified.

Shadow of the Tomb Raiderhighest1440pNative
80.96fpsGreat
Verified

Measured

How we measured this
Scene
Built-in benchmark: sottr (rigbench sottr)
Passes
5
SteamOS
3.8.24
Runtime
Native (no Proton)
Mesa
26.2.0-devel
Game build
11668867

Upscaling: Native. Resolution and preset are shown with the results. Only recorded test details are listed here; other settings and the aggregation method are not specified.

Alien: IsolationUltra (SMAA T1x, SSAO Standard)1440pNative
166.56fpsGreat
Verified

Measured

How we measured this
Scene
Built-in benchmark: benchmark (rigbench alien-isolation)
Passes
3
SteamOS
3.8.24
Proton
10.1000-105
Mesa
26.2.0-devel
Game build
4940658

Upscaling: Native. Resolution and preset are shown with the results. Only recorded test details are listed here; other settings and the aggregation method are not specified.

This configuration explores the RX 9070 XT and Ryzen 5 7600X3D in the same compact Terra format. The extra hardware capability brings questions that a parts list cannot settle: how loud the assembled machine is, how hot it runs, and whether its behavior suits your room.

Check the GPU's exact dimensions and connectors, the power supply's available cables, and the cooler clearance together. Leave space around the case for ventilation and verify the manufacturer's assembly instructions before ordering.

This remains an estimated proposal. We have not established a tested noise level, temperature, or frame-rate target for this exact list. Choose it only after comparing its current cost and trade-offs with the other proposals; a higher GPU index alone is not a complete-build result.

Compatibility

Before you install

  • SteamOS requires Secure Boot to be disabled in your BIOS before installing. Read more
  • SteamOS 3.8 does not support dual-boot - it expects the whole drive. If you want Windows too, build for Bazzite instead. Read more

Buy this build

Total unavailable · 8 items without a current price. Check the retailer links before buying.

CouchRig earns a commission on purchases made through these links, at no extra cost to you. Prices and availability are subject to change and may not reflect the retailer's current listing.

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New numbers, straight to you

One email when a new measured benchmark or a new build goes live. Every number run on real hardware - no reposted spec sheets, no schedule padding.