BIOSTAR RX 6600 XT

Graphics Processor

Navi 23

Cores

2048

TMUs

128

ROPs

Memory Size

8 GB

Memory Type

GDDR6

Bus Width

128 bit

GPU

Bottom

Graphics Processor

GPU Name: Navi 23

GPU Variant: Navi 23 XT
(215-130000006)

Architecture: RDNA 2.0

Foundry: TSMC

Process Size: 7 nm

Transistors: 11,060 million

Density: 46.7M / mm²

Die Size: 237 mm²

Chip Package: BGA-1269

Graphics Card

Release Date: Jul 30th, 2021

Availability: Aug 10th, 2021

Generation: Navi II
(RX 6000)

Predecessor: Navi

Successor: Navi III

Production: Active

Bus Interface: PCIe 4.0 x8

Clock Speeds

Base Clock: 1968 MHz

Game Clock: 2359 MHz

Boost Clock: 2589 MHz

Memory Clock: 2000 MHz
16 Gbps effective

Memory

Memory Size: 8 GB

Memory Type: GDDR6

Memory Bus: 128 bit

Bandwidth: 256.0 GB/s

Render Config

Shading Units: 2048

TMUs: 128

ROPs: 64

Compute Units: 32

RT Cores: 32

L0 Cache: 32 KB per WGP

L1 Cache: 128 KB per Array

L2 Cache: 2 MB

L3 Cache: 32 MB

Theoretical Performance

Pixel Rate: 165.7 GPixel/s

Texture Rate: 331.4 GTexel/s

FP16 (half): 21.21 TFLOPS (2:1)

FP32 (float): 10.60 TFLOPS

FP64 (double): 662.8 GFLOPS (1:16)

Board Design

Slot Width: Dual-slot

TDP: 160 W

Suggested PSU: 450 W

Outputs: 1x HDMI 2.1
3x DisplayPort 1.4a

Power Connectors: 1x 8-pin

Board Number: D532

Graphics Features

DirectX: 12 Ultimate (12_2)

OpenGL: 4.6

OpenCL: 2.1

Vulkan: 1.3

Shader Model: 6.7

Navi 23 GPU Notes

Generation: Navi II
Codename: Dimgrey Cavefish
Ray Tracing Cores: 1st Gen
Infinity Cache: 1st Gen
Graphics/Compute: 10.3.4
Shader ISA: GFX10.3 (gfx1032)
Display Core Next: 3.0.2
Video Core Next: 3.0.16
System DMA: 5.2.4
Platform Security Processor: 11.0.12

Per SIMD32:
- 10 KB Scalar Register File

Per CU:
- 16 KB Vector Data Cache
- 64 KB Local Data Share (GCN-Mode)

Per WGP:
- 16 KB Scalar Data Cache / K Cache
- 32 KB Instruction Cache
- 128 KB Local Data Share

Other retail boards based on this design (29)

Name	GPU Clock	Boost Clock	Memory Clock	Other Changes
ASRock RX 6600 XT Challenger D OC	2000 MHz	2593 MHz	2000 MHz	269 mm/10.6 inches
ASRock RX 6600 XT Challenger ITX	1968 MHz	2589 MHz	2000 MHz	179 mm/7 inches
ASRock RX 6600 XT Challenger Pro OC	2033 MHz	2602 MHz	2000 MHz	303 mm/11.9 inches
ASRock RX 6600 XT Phantom Gaming D OC	2064 MHz	2607 MHz	2000 MHz	305 mm/12 inches
ASUS DUAL RX 6600 XT OC	2000 MHz	2593 MHz	2000 MHz	243 mm/9.6 inches
ASUS ROG STRIX RX 6600 XT GAMING OC	2064 MHz	2607 MHz	2000 MHz	243 mm/9.6 inches, Triple-slot
BIOSTAR RX 6600 XT	1968 MHz	2589 MHz	2000 MHz
Dataland RX 6600 XT X-Serial	2064 MHz	2607 MHz	2000 MHz	224 mm/8.8 inches
Dell RX 6600 XT OEM	1968 MHz	2589 MHz	2000 MHz
GIGABYTE RX 6600 XT EAGLE	1968 MHz	2589 MHz	2000 MHz	282 mm/11.1 inches, 2x HDMI 2x DisplayPort
GIGABYTE RX 6600 XT GAMING OC	2000 MHz	2593 MHz	2000 MHz	282 mm/11.1 inches, 2x HDMI 2x DisplayPort
GIGABYTE RX 6600 XT GAMING OC PRO	1968 MHz	2589 MHz	2000 MHz	282 mm/11.1 inches, 2x HDMI 2x DisplayPort
HP RX 6600 XT OEM	1968 MHz	2589 MHz	2000 MHz
MSI RX 6600 XT GAMING	1968 MHz	2589 MHz	2000 MHz	277 mm/10.9 inches, Triple-slot
MSI RX 6600 XT GAMING X	2064 MHz	2607 MHz	2000 MHz	277 mm/10.9 inches, Triple-slot
MSI RX 6600 XT MECH	1968 MHz	2589 MHz	2000 MHz	235 mm/9.3 inches, 140 W
MSI RX 6600 XT MECH 2X OCV1	2033 MHz	2602 MHz	2000 MHz	215 mm/8.5 inches
MSI RX 6600 XT MECH OC	2033 MHz	2602 MHz	2000 MHz	235 mm/9.3 inches, 140 W
PowerColor Fighter RX 6600 XT	1968 MHz	2589 MHz	2000 MHz	200 mm/7.9 inches
PowerColor Hellhound RX 6600 XT	2000 MHz	2593 MHz	2000 MHz	220 mm/8.7 inches
PowerColor Red Devil RX 6600 XT	2064 MHz	2607 MHz	2000 MHz	251 mm/9.9 inches, Triple-slot
Sapphire NITRO+ RX 6600 XT	2064 MHz	2607 MHz	2000 MHz	240 mm/9.4 inches
Sapphire PULSE RX 6600 XT	2000 MHz	2593 MHz	2000 MHz	240 mm/9.4 inches, Triple-slot
VASTARMOR RX 6600 XT ALLOY	2188 MHz	2607 MHz	2000 MHz	272 mm/10.7 inches, Triple-slot
VASTARMOR RX 6600 XT STAR	1968 MHz	2589 MHz	2000 MHz	272 mm/10.7 inches, Triple-slot
XFX Speedster MERC 308 RX 6600 XT	2188 MHz	2607 MHz	2000 MHz	274 mm/10.8 inches, Triple-slot
XFX Speedster QICK 308 RX 6600 XT	2188 MHz	2607 MHz	2000 MHz	274 mm/10.8 inches
XFX Speedster SWFT 210 RX 6600 XT	2092 MHz	2589 MHz	2000 MHz	241 mm/9.5 inches
Yeston RX 6600 XT GAEA	1968 MHz	2589 MHz	2000 MHz