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AMD Radeon RX 8800 XT

Graphics Processor
Navi 48
Cores
3584
TMUs
224
ROPs
96
Memory Size
16 GB
Memory Type
GDDR6
Bus Width
256 bit
The Radeon RX 8800 XT is a graphics card by AMD. Built on the 4 nm process, and based on the Navi 48 graphics processor, in its Navi 48 XT variant, the card supports DirectX 12 Ultimate. This ensures that all modern games will run on Radeon RX 8800 XT. Additionally, the DirectX 12 Ultimate capability guarantees support for hardware-raytracing, variable-rate shading and more, in upcoming video games. It features 3584 shading units, 224 texture mapping units, and 96 ROPs. The card also has 56 raytracing acceleration cores. AMD has paired 16 GB GDDR6 memory with the Radeon RX 8800 XT, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 1295 MHz, which can be boosted up to 2430 MHz, memory is running at 2438 MHz (19.5 Gbps effective).
Being a dual-slot card, the AMD Radeon RX 8800 XT draws power from 2x 8-pin power connectors, with power draw rated at 220 W maximum. Display outputs include: 1x HDMI 2.1a, 3x DisplayPort 2.1. Radeon RX 8800 XT is connected to the rest of the system using a PCI-Express 4.0 x16 interface. The card's dimensions are 267 mm x 111 mm x 50 mm, and it features a dual-slot cooling solution.

Graphics Processor

GPU Name
Navi 48
GPU Variant
Navi 48 XT
Architecture
RDNA 4.0
Foundry
TSMC
Process Size
4 nm
Transistors
unknown
Die Size
unknown
GCD Size
200mm²
MCD Size
36.6 mm² x4
Chip Package
MCM
Process Type
N5 / N6 FinFET

Graphics Card

Release Date
Unknown
Availability
2024
Generation
Navi IV
(RX 8000)
Predecessor
Navi III
Production
Active
Bus Interface
PCIe 4.0 x16

Clock Speeds

Base Clock
1295 MHz
Game Clock
2124 MHz
Boost Clock
2430 MHz
Memory Clock
2438 MHz
19.5 Gbps effective

Memory

Memory Size
16 GB
Memory Type
GDDR6
Memory Bus
256 bit
Bandwidth
624.1 GB/s

Render Config

Shading Units
3584
TMUs
224
ROPs
96
Compute Units
56
RT Cores
56
L0 Cache
32 KB per WGP
L1 Cache
128 KB per Array
L2 Cache
4 MB
L3 Cache
64 MB

Theoretical Performance

Pixel Rate
233.3 GPixel/s
Texture Rate
544.3 GTexel/s
FP16 (half)
34.84 TFLOPS (2:1)
FP32 (float)
17.42 TFLOPS
FP64 (double)
544.3 GFLOPS (1:32)

Board Design

Slot Width
Dual-slot
Length
267 mm
10.5 inches
Width
111 mm
4.4 inches
Height
50 mm
2 inches
TDP
220 W
Suggested PSU
550 W
Outputs
1x HDMI 2.1a
3x DisplayPort 2.1
Power Connectors
2x 8-pin

Graphics Features

DirectX
12 Ultimate (12_2)
OpenGL
4.6
OpenCL
2.2
Vulkan
1.3
Shader Model
6.8

Navi 48 GPU Notes

Generation: Navi IV
Codename:
Ray Tracing Cores: 3rd Gen
Infinity Cache: 3rd Gen
Graphics/Compute: 12.0.1
Shader ISA: GFX12.0 (gfx1201)
Display Core Next: 3.2.0
Video Core Next: 4.0.0
System DMA: 6.0.0
Nov 13th, 2024 18:00 EST change timezone

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