Technical Snapshot

The XFX Radeon RX 7900 XTX Merc 310 OC 24GB is a gaming desktop graphics card built on the AMD RDNA 3 architecture (Navi 31 GPU). It delivers 6,144 stream processors, 24 GB GDDR6 memory, on a 384-bit bus, boost clock of 2,545 MHz. The card connects via PCIe 4.0 x16 and draws 355W TDP, requiring a 800W minimum power supply. Part of the XFX Merc 310 product line, this card targets 4K/8K gaming, AI/ML inference, and professional rendering.

Use Case
4K/8K gaming, AI/ML inference, real-time ray tracing, 3D rendering, content creation
Compatibility
Requires PCIe x16 slot, 800W PSU, adequate case clearance
Category
Desktop Graphics Card — Radeon RX 7900 XTX (RDNA 3)
XFX Image not available
XFX GPU
XFX Merc 310

Radeon RX 7900 XTX Merc 310 OC 24GB

RDNA 3 · Navi 31 · 6,144 SPs · 24 GB GDDR6 · PCIe 4.0 x16

Total number of stream processors for parallel compute. Higher count improves gaming, rendering, and compute performance.
Stream Processors 6,144
Video memory capacity and type. More VRAM allows higher-resolution textures, larger AI models, and multi-monitor setups.
VRAM 24 GB GDDR6
Maximum GPU frequency under load. Higher boost clocks improve frame rates and compute throughput.
Boost Clock 2,545 MHz
Total board power consumption. Ensure your PSU has adequate wattage for stable operation.
TDP 355W
MPNRX-79XMERCB9
EAN0840191500640
CategoryGraphics Cards
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GPU Core & Memory

GPU Chip AMD Navi 31
Architecture RDNA 3
Stream Processors 6,144
Base Clock 2,300 MHz
Boost Clock 2,545 MHz
VRAM 24 GB GDDR6
Memory Bus 384-bit
PCIe Interface PCIe 4.0 x16
TDP 355W
Recommended PSU 800W
Cooling Triple fan
Display Outputs 3x DP 2.1, 1x HDMI 2.1

Full Specifications

Data sourced from XFX product specifications and AMD reference data
GPU
GPU ChipAMD Navi 31
ArchitectureRDNA 3
Stream Processors6,144
Base Clock2,300 MHz
Boost Clock2,545 MHz
GPU VendorAMD
Memory
VRAM24 GB GDDR6
Memory Bus384-bit
Interface & Power
PCIe InterfacePCIe 4.0 x16
TDP355W
Recommended PSU800W
Card Design
Slot Width2-slot
CoolingTriple fan
Display Outputs3x DP 2.1, 1x HDMI 2.1
Product
BrandXFX
Brand SeriesMerc 310
GPU SeriesRadeon RX 7900 XTX
SegmentGaming
MPNRX-79XMERCB9
EAN0840191500640
Physical
Weight2.61 kg
Package Dimensions44.5 x 22.5 x 12.5 cm

Support & Downloads

AMD Radeon Software Adrenalin (Latest)Windows 10/11 64-bit
AMD Drivers →
XFX Radeon RX 7900 XTX Merc 310 OC 24GB User ManualPDF · Installation guide and specifications
XFX Support →
← Back to GPU Catalog

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Frequently Asked Questions

What motherboards are compatible with the RX 7900 XTX Merc 310 OC 24GB?

The XFX Radeon RX 7900 XTX Merc 310 OC 24GB uses a PCIe 4.0 x16 interface and is compatible with any motherboard that has a PCIe x16 slot. This includes AMD AM5 and AM4 motherboards as well as Intel LGA 1851 and LGA 1700 boards. PCIe is backward-compatible, so older PCIe 3.0 slots will work at reduced bandwidth.

What power supply is recommended for the RX 7900 XTX Merc 310 OC 24GB?

A minimum 800W power supply is recommended for the XFX Radeon RX 7900 XTX Merc 310 OC 24GB. The card has a TDP of 355W, so adequate PSU headroom is critical for stable operation under peak load, especially when paired with a high-end CPU.

Will the RX 7900 XTX Merc 310 OC 24GB fit in my case?

Based on package dimensions, the XFX Radeon RX 7900 XTX Merc 310 OC 24GB requires clearance of approximately 44.5 cm (445 mm). Verify your case's maximum GPU length specification before purchasing. Also ensure sufficient PCIe slot clearance and adequate airflow.

How much VRAM does the RX 7900 XTX Merc 310 OC 24GB have?

The XFX Radeon RX 7900 XTX Merc 310 OC 24GB features 24 GB GDDR6 on a 384-bit bus. This is suitable for 4K/8K gaming, large AI/ML models, and professional rendering workloads.

Can the RX 7900 XTX Merc 310 OC 24GB be used for compute workloads?

Yes. The XFX Radeon RX 7900 XTX Merc 310 OC 24GB supports OpenCL and ROCm compute frameworks with 24 GB VRAM. It is suitable for GPU-accelerated rendering and some machine learning workloads. For production AI/ML, NVIDIA GPUs with CUDA support may offer broader software compatibility.

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