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AMD Radeon RX 6600 XT

Graphics Processor
Navi 23
Cores
2048
TMUs
128
ROPs
64
Memory Size
8 GB
Memory Type
GDDR6
Bus Width
128 bit
GPU Chip
GPU
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The Radeon RX 6600 XT is a performance-segment graphics card by AMD, launched on July 30th, 2021. Built on the 7 nm process, and based on the Navi 23 graphics processor, in its Navi 23 XT variant, the card supports DirectX 12.0 Ultimate. This ensures that all modern games will run on Radeon RX 6600 XT. Additionally, the DirectX 12 Ultimate capability guarantees support for hardware-raytracing, variable-rate shading and more, in upcoming video games. The Navi 23 graphics processor is an average sized chip with a die area of 237 mm² and 11,060 million transistors. It features 2048 shading units, 128 texture mapping units, and 64 ROPs. The card also has 32 raytracing acceleration cores. AMD has paired 8 GB GDDR6 memory with the Radeon RX 6600 XT, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 1968 MHz, which can be boosted up to 2589 MHz, memory is running at 2000 MHz (16 Gbps effective).
Being a dual-slot card, the AMD Radeon RX 6600 XT draws power from 1x 8-pin power connector, with power draw rated at 160 W maximum. Display outputs include: 1x HDMI, 2x DisplayPort. Radeon RX 6600 XT is connected to the rest of the system using a PCI-Express 4.0 x8 interface. The card's dimensions are 190 mm x 110 mm x 40 mm, and it features a dual-slot cooling solution. Its price at launch was 379 US Dollars.

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
Die Size
237 mm²

Graphics Card

Release Date
Jul 30th, 2021
Availability
Aug 10th, 2021
Generation
Navi II
(RX 6000)
Predecessor
Navi
Production
Active
Launch Price
379 USD
Bus Interface
PCIe 4.0 x8
Reviews
41 in our database

Relative Performance

1%
GeForce 210
1%
GeForce 9400 GT
2%
Radeon HD 4550
2%
Radeon HD 5450
2%
Radeon HD 6450
2%
GeForce GT 520
3%
GeForce GT 220
4%
GeForce GT 430
4%
Radeon HD 5570
4%
Radeon HD 4670
5%
GeForce GT 440
5%
GeForce GT 240
5%
GeForce 9600 GT
6%
Radeon HD 5670
6%
GeForce GT 640
6%
GeForce 9800 GT
7%
Radeon HD 6670
7%
Radeon HD 4830
7%
Radeon HD 4770
8%
Radeon HD 4850
8%
GeForce GTS 250
8%
GeForce GTS 450
8%
Radeon HD 5750
9%
Radeon HD 7750
10%
Radeon HD 5770
10%
GeForce GTX 260
10%
Radeon HD 4870
10%
Radeon Vega 8
10%
GeForce GTX 550 Ti
10%
GeForce GTX 650
11%
Radeon HD 5830
11%
Radeon HD 6790
11%
Radeon HD 4890
12%
GeForce GTX 460
12%
Radeon RX Vega 11
12%
GeForce GT 1030
12%
GeForce GTX 275
12%
Radeon HD 7770 GHz Edition
12%
GeForce GTX 280
12%
GeForce GTX 465
13%
Radeon HD 6850
13%
GeForce GTX 285
14%
Radeon HD 5850
15%
Radeon HD 7790
15%
GeForce GTX 650 Ti
15%
Radeon RX 550
15%
GeForce GTX 470
16%
Radeon HD 6870
17%
Radeon HD 5870
17%
GeForce GTX 560 Ti
17%
Radeon HD 4870 X2
18%
GeForce GTX 750 Ti
18%
Radeon HD 6950
18%
GeForce GTX 295
19%
GeForce GTX 650 Ti Boost
19%
Radeon HD 7850
19%
GeForce GTX 480
20%
Radeon HD 6970
20%
Radeon R7 265
21%
Radeon RX 460
21%
Radeon R7 370
21%
GeForce GTX 660
21%
GeForce GTX 570
21%
Radeon RX 560
22%
GeForce GTX 950
23%
Radeon HD 7870 GHz Edition
23%
Radeon R9 270X
23%
GeForce GTX 660 Ti
24%
GeForce GTX 580
24%
GeForce GTX 1050
24%
Radeon HD 7950
24%
Radeon HD 5970
25%
GeForce GTX 760
27%
GeForce GTX 670
28%
GeForce GTX 960
28%
Radeon R9 380
28%
Radeon R9 285
29%
Radeon HD 7970
29%
GeForce GTX 680
30%
GeForce GTX 1050 Ti
31%
GeForce GTX 770
31%
Radeon HD 6990
32%
Radeon R9 280X
32%
GeForce GTX 590
32%
Radeon HD 7970 GHz Edition
36%
GeForce GTX 780
37%
GeForce GTX 1650
40%
Radeon RX 470
40%
Radeon R9 290
42%
Radeon RX 570
43%
Radeon R9 390
43%
Radeon R9 290X
44%
GeForce GTX 970
44%
GeForce GTX TITAN
45%
GeForce GTX 780 Ti
45%
Radeon R9 390X
46%
Radeon HD 7990
46%
Radeon RX 480
46%
GeForce GTX 690
47%
GeForce GTX 1060 6 GB
48%
Radeon RX 5500 OEM
49%
Radeon RX 580
49%
Radeon RX 5500 XT
50%
GeForce GTX 980
50%
GeForce GTX 1650 SUPER
50%
Radeon R9 FURY
53%
Radeon RX 590
55%
Radeon R9 295X2
56%
GeForce GTX 1660
56%
Radeon R9 FURY X
57%
GeForce GTX 980 Ti
59%
GeForce GTX TITAN X
63%
GeForce GTX 1660 SUPER
64%
GeForce GTX 1070
64%
GeForce GTX 1660 Ti
68%
Radeon RX Vega 56
72%
GeForce GTX 1070 Ti
73%
Radeon RX 5600 XT
74%
Radeon RX Vega 64
75%
GeForce RTX 2060
75%
GeForce GTX 1080
78%
Radeon RX 5700
85%
GeForce RTX 2060 SUPER
88%
GeForce RTX 2070
89%
GeForce RTX 3060
90%
Radeon RX 5700 XT
91%
Radeon VII
93%
TITAN X Pascal
96%
GeForce GTX 1080 Ti
97%
GeForce RTX 2070 SUPER
100%
Radeon RX 6600 XT
103%
GeForce RTX 2080
109%
GeForce RTX 2080 SUPER
112%
GeForce RTX 3060 Ti
114%
Radeon RX 6700 XT
123%
GeForce RTX 2080 Ti
131%
GeForce RTX 3070
140%
GeForce RTX 3070 Ti
145%
Radeon RX 6800
166%
Radeon RX 6800 XT
170%
GeForce RTX 3080
180%
Radeon RX 6900 XT
191%
GeForce RTX 3080 Ti
193%
GeForce RTX 3090
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.

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) performance
21.21 TFLOPS (2:1)
FP32 (float) performance
10.60 TFLOPS
FP64 (double) performance
662.8 GFLOPS (1:16)

Board Design

Slot Width
Dual-slot
Length
190 mm
7.5 inches
Width
110 mm
4.3 inches
Height
40 mm
1.6 inches
TDP
160 W
Suggested PSU
450 W
Outputs
1x HDMI
2x DisplayPort
Power Connectors
1x 8-pin

Graphics Features

DirectX
12.0 Ultimate (12_2)
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5

Navi 23 GPU Notes

Architecture Codename: Navi
Codename: Dimgrey Cavefish
Graphics/Compute: GFX10 (gfx1032)
Display Core Next: 3.0
Video Core Next: 3.0

Retail boards based on this design (24)

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, Triple-slot
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
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 1968 MHz 2589 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
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
MSI RX 6600 XT MECH OC 2033 MHz 2602 MHz 2000 MHz 235 mm/9.3 inches
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, Triple-slot
Sapphire PULSE RX 6600 XT 2000 MHz 2593 MHz 2000 MHz 240 mm/9.4 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