GPUDesktopReleased Sep 6, 2023

AMD Radeon RX 7800 XT

256-bit · 3,840 cores

A 1440p-class RDNA 3 card launched in September 2023. Its chiplet-based Navi 32 design combines a 5 nm graphics die with four 6 nm memory cache dies that provide 64 MB of Infinity Cache, and it supports DisplayPort 2.1, hardware AV1 encoding and AMD FidelityFX Super Resolution.

General

Manufacturer: AMD
Model: Radeon RX 7800 XT
Segment: Desktop
GPU chip: Navi 32
Architecture: RDNA 3
Release date: Sep 6, 2023
Price: $499Search on Amazon

Memory

Memory size: 16 GB
Memory type: GDDR6
Bus width: 256-bit
Bandwidth: 624 GB/s
Memory clock: 2,437 MHz

Clocks & silicon

GPU clock: 2,124 MHz
Boost clock: 2,430 MHz
Shader units: 3,840 Stream Processors (60 CU)
Tensor / AI cores: 120
RT cores: 60
Transistors: 28.1 billion
Technology (nm): 5 nm
TSMC N5 (GCD) + N6 (MCD)
TDP / TBP: 263 W

Interface & APIs

Bus interface: PCIe 4.0 x16
SLI / multi-GPU: None (CrossFire not supported)
DirectX: 12 Ultimate (12_2)
OpenGL: 4.6
Vulkan: 1.4
Other APIs: OpenCL 2.1, HIP, ROCm, DirectML

AI support

Precisions: FP8FP16BF16INT8INT4TF32FP64
AI accelerator: 120 AI Accelerators (RDNA 3 WMMA matrix cores)
Peak AI TOPS: 74.6 TOPS
Notes: RDNA 3 WMMA matrix instructions accelerate FP16, BF16, INT8 and INT4. AMD rates the card at 74.6 TFLOPS of FP16 matrix throughput and 74.6 TOPS of INT8, doubling to 149 TOPS at INT4; non-matrix FP16 runs at 37.3 TFLOPS. FP8 has no hardware path on RDNA 3, and FP64 runs at one sixty-fourth of the FP32 rate.

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