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AMD Radeon RX 6600

Graphics Processor
Navi 23
Cores
1792
TMUs
112
ROPs
64
Memory Size
8 GB
Memory Type
GDDR6
Bus Width
128 bit
The Radeon RX 6600 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 XL variant, the card supports DirectX 12.0. This ensures that all modern games will run on Radeon RX 6600. The Navi 23 graphics processor is an average sized chip with a die area of 237 mm² and 11,060 million transistors. Unlike the fully unlocked Radeon RX 6600 XT, which uses the same GPU but has all 2048 shaders enabled, AMD has disabled some shading units on the Radeon RX 6600 to reach the product's target shader count. It features 1792 shading units, 112 texture mapping units, and 64 ROPs. The card also has 28 raytracing acceleration cores. AMD has paired 8 GB GDDR6 memory with the Radeon RX 6600, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 2200 MHz, which can be boosted up to 2500 MHz, memory is running at 2000 MHz (16 Gbps effective).
Being a dual-slot card, the AMD Radeon RX 6600 draws power from 1x 6-pin power connector, with power draw rated at 150 W maximum. Display outputs include: 1x HDMI, 2x DisplayPort, 1x USB Type-C. Radeon RX 6600 is connected to the rest of the system using a PCI-Express 4.0 x8 interface. Its price at launch was 299 US Dollars.

Graphics Processor

GPU Name
Navi 23
GPU Variant
Navi 23 XL
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
Generation
Navi II
(RX 6000)
Predecessor
Navi
Production
Active
Launch Price
299 USD
Bus Interface
PCIe 4.0 x8

Relative Performance

1%
GeForce 210
2%
GeForce 9400 GT
2%
Radeon HD 4550
3%
Radeon HD 5450
3%
Radeon HD 6450
3%
GeForce GT 520
4%
GeForce GT 220
5%
GeForce GT 430
5%
Radeon HD 5570
6%
Radeon HD 4670
6%
GeForce GT 440
6%
GeForce GT 240
7%
GeForce 9600 GT
7%
Radeon HD 5670
8%
GeForce GT 640
8%
GeForce 9800 GT
9%
Radeon HD 6670
9%
Radeon HD 4830
9%
Radeon HD 4770
10%
Radeon HD 4850
10%
GeForce GTS 250
10%
GeForce GTS 450
11%
Radeon HD 5750
12%
Radeon HD 7750
12%
Radeon HD 5770
13%
GeForce GTX 260
13%
Radeon HD 4870
13%
Radeon Vega 8
13%
GeForce GTX 550 Ti
13%
GeForce GTX 650
14%
Radeon HD 5830
15%
Radeon HD 6790
15%
Radeon HD 4890
15%
GeForce GTX 460
15%
Radeon RX Vega 11
16%
GeForce GT 1030
16%
GeForce GTX 275
16%
Radeon HD 7770 GHz Edition
16%
GeForce GTX 280
16%
GeForce GTX 465
17%
Radeon HD 6850
17%
GeForce GTX 285
18%
Radeon HD 5850
19%
Radeon HD 7790
19%
GeForce GTX 650 Ti
20%
Radeon RX 550
20%
GeForce GTX 470
20%
Radeon HD 6870
22%
Radeon HD 5870
22%
GeForce GTX 560 Ti
22%
Radeon HD 4870 X2
23%
GeForce GTX 750 Ti
23%
Radeon HD 6950
24%
GeForce GTX 295
24%
GeForce GTX 650 Ti Boost
24%
Radeon HD 7850
25%
GeForce GTX 480
26%
Radeon HD 6970
26%
Radeon R7 265
27%
Radeon RX 460
27%
Radeon R7 370
27%
GeForce GTX 660
27%
GeForce GTX 570
27%
Radeon RX 560
29%
GeForce GTX 950
29%
Radeon HD 7870 GHz Edition
30%
Radeon R9 270X
30%
GeForce GTX 660 Ti
31%
GeForce GTX 580
31%
GeForce GTX 1050
31%
Radeon HD 7950
31%
Radeon HD 5970
32%
GeForce GTX 760
35%
GeForce GTX 670
36%
GeForce GTX 960
37%
Radeon R9 380
37%
Radeon R9 285
37%
Radeon HD 7970
38%
GeForce GTX 680
39%
GeForce GTX 1050 Ti
40%
GeForce GTX 770
40%
Radeon HD 6990
41%
Radeon R9 280X
42%
GeForce GTX 590
42%
Radeon HD 7970 GHz Edition
47%
GeForce GTX 780
48%
GeForce GTX 1650
51%
Radeon RX 470
52%
Radeon R9 290
55%
Radeon RX 570
55%
Radeon R9 390
56%
Radeon R9 290X
56%
GeForce GTX 970
57%
GeForce GTX TITAN
58%
GeForce GTX 780 Ti
59%
Radeon R9 390X
59%
Radeon HD 7990
59%
Radeon RX 480
60%
GeForce GTX 690
61%
GeForce GTX 1060 6 GB
62%
Radeon RX 5500 OEM
63%
Radeon RX 580
64%
Radeon RX 5500 XT
64%
GeForce GTX 980
65%
GeForce GTX 1650 SUPER
65%
Radeon R9 FURY
68%
Radeon RX 590
72%
Radeon R9 295X2
72%
GeForce GTX 1660
73%
Radeon R9 FURY X
74%
GeForce GTX 980 Ti
76%
GeForce GTX TITAN X
81%
GeForce GTX 1660 SUPER
83%
GeForce GTX 1070
83%
GeForce GTX 1660 Ti
88%
Radeon RX Vega 56
93%
GeForce GTX 1070 Ti
95%
Radeon RX 5600 XT
96%
Radeon RX Vega 64
97%
GeForce GTX 1080
97%
GeForce RTX 2060
100%
Radeon RX 6600
101%
Radeon RX 5700
109%
GeForce RTX 2060 SUPER
113%
GeForce RTX 2070
116%
GeForce RTX 3060
116%
Radeon RX 5700 XT
117%
Radeon VII
121%
TITAN X Pascal
124%
GeForce GTX 1080 Ti
125%
GeForce RTX 2070 SUPER
133%
GeForce RTX 2080
142%
GeForce RTX 2080 SUPER
145%
GeForce RTX 3060 Ti
147%
Radeon RX 6700 XT
159%
GeForce RTX 2080 Ti
170%
GeForce RTX 3070
182%
GeForce RTX 3070 Ti
187%
Radeon RX 6800
215%
Radeon RX 6800 XT
221%
GeForce RTX 3080
233%
Radeon RX 6900 XT
247%
GeForce RTX 3080 Ti
250%
GeForce RTX 3090
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

Base Clock
2200 MHz
Boost Clock
2500 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
1792
TMUs
112
ROPs
64
Compute Units
28
RT Cores
28
L0 Cache
32 KB per WGP
L1 Cache
128 KB per Array
L2 Cache
2 MB
L3 Cache
32 MB

Theoretical Performance

Pixel Rate
160.0 GPixel/s
Texture Rate
280.0 GTexel/s
FP16 (half) performance
17.92 TFLOPS (2:1)
FP32 (float) performance
8.960 TFLOPS
FP64 (double) performance
560.0 GFLOPS (1:16)

Board Design

Slot Width
Dual-slot
TDP
150 W
Suggested PSU
450 W
Outputs
1x HDMI
2x DisplayPort
1x USB Type-C
Power Connectors
1x 6-pin

Graphics Features

DirectX
12.0 (12_1)
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5

Card Notes

Based off of speculation/reddit and other sources online.

Placeholder

Navi 23 GPU Notes

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