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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 graphics card by AMD, launched in March 2021. Built on the 7 nm process, and based on the Navi 23 graphics processor, the card supports DirectX 12 Ultimate. This ensures that all modern games will run on Radeon RX 6600. 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 236 mm². 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 1489 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.

Graphics Processor

GPU Name
Navi 23
Architecture
RDNA 2.0
Foundry
TSMC
Process Size
7 nm
Transistors
unknown
Die Size
236 mm²

Graphics Card

Release Date
Unknown
Generation
Navi II
(RX 6000)
Predecessor
Navi
Production
Active
Bus Interface
PCIe 4.0 x8

Relative Performance

1%
GeForce 210
2%
GeForce 9400 GT
2%
Radeon HD 4550
2%
Radeon HD 5450
3%
Radeon HD 6450
3%
GeForce GT 520
4%
GeForce GT 220
5%
GeForce GT 430
5%
Radeon HD 5570
5%
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
8%
Radeon HD 6670
9%
Radeon HD 4830
9%
Radeon HD 4770
10%
Radeon HD 4850
10%
GeForce GTS 250
10%
GeForce GTS 450
10%
Radeon HD 5750
12%
Radeon HD 7750
12%
Radeon HD 5770
12%
GeForce GTX 260
12%
Radeon HD 4870
12%
Radeon Vega 8
13%
GeForce GTX 550 Ti
13%
GeForce GTX 650
13%
Radeon HD 5830
14%
Radeon HD 6790
14%
Radeon HD 4890
15%
GeForce GTX 460
15%
Radeon RX Vega 11
15%
GeForce GT 1030
15%
GeForce GTX 275
15%
Radeon HD 7770 GHz Edition
15%
GeForce GTX 280
16%
GeForce GTX 465
16%
Radeon HD 6850
17%
GeForce GTX 285
18%
Radeon HD 5850
18%
GeForce GTX 650 Ti
18%
Radeon HD 7790
19%
Radeon RX 550
19%
GeForce GTX 470
20%
Radeon HD 6870
21%
Radeon HD 5870
22%
GeForce GTX 560 Ti
22%
Radeon HD 4870 X2
22%
GeForce GTX 750 Ti
22%
Radeon HD 6950
23%
GeForce GTX 295
23%
GeForce GTX 650 Ti Boost
24%
Radeon HD 7850
24%
GeForce GTX 480
25%
Radeon HD 6970
26%
Radeon R7 265
26%
Radeon RX 460
26%
Radeon R7 370
26%
GeForce GTX 660
26%
GeForce GTX 570
27%
Radeon RX 560
28%
GeForce GTX 950
28%
Radeon HD 7870 GHz Edition
29%
Radeon R9 270X
29%
GeForce GTX 660 Ti
30%
GeForce GTX 580
30%
GeForce GTX 1050
30%
Radeon HD 7950
31%
Radeon HD 5970
31%
GeForce GTX 760
34%
GeForce GTX 670
35%
GeForce GTX 960
36%
Radeon R9 380
36%
Radeon R9 285
36%
Radeon HD 7970
36%
GeForce GTX 680
37%
GeForce GTX 1050 Ti
38%
GeForce GTX 770
39%
Radeon HD 6990
40%
Radeon R9 280X
41%
GeForce GTX 590
41%
Radeon HD 7970 GHz Edition
45%
GeForce GTX 780
47%
GeForce GTX 1650
50%
Radeon RX 470
50%
Radeon R9 290
53%
Radeon RX 570
54%
Radeon R9 390
54%
Radeon R9 290X
55%
GeForce GTX 970
55%
GeForce GTX TITAN
56%
GeForce GTX 780 Ti
57%
Radeon R9 390X
57%
Radeon HD 7990
57%
Radeon RX 480
58%
GeForce GTX 690
60%
GeForce GTX 1060 6 GB
60%
Radeon RX 5500 OEM
61%
Radeon RX 580
62%
Radeon RX 5500 XT
62%
GeForce GTX 980
63%
GeForce GTX 1650 SUPER
63%
Radeon R9 FURY
66%
Radeon RX 590
69%
Radeon R9 295X2
70%
GeForce GTX 1660
71%
Radeon R9 FURY X
72%
GeForce GTX 980 Ti
74%
GeForce GTX TITAN X
78%
GeForce GTX 1660 SUPER
80%
GeForce GTX 1070
80%
GeForce GTX 1660 Ti
85%
Radeon RX Vega 56
91%
GeForce GTX 1070 Ti
92%
Radeon RX 5600 XT
93%
Radeon RX Vega 64
94%
GeForce GTX 1080
94%
GeForce RTX 2060
98%
Radeon RX 5700
100%
Radeon RX 6600
106%
GeForce RTX 2060 SUPER
110%
GeForce RTX 2070
112%
GeForce RTX 3060
113%
Radeon RX 5700 XT
114%
Radeon VII
117%
TITAN X Pascal
120%
GeForce GTX 1080 Ti
122%
GeForce RTX 2070 SUPER
129%
GeForce RTX 2080
137%
GeForce RTX 2080 SUPER
139%
GeForce RTX 3060 Ti
147%
Radeon RX 6700 XT
151%
GeForce RTX 2080 Ti
153%
GeForce RTX 3070
170%
Radeon RX 6800
195%
Radeon RX 6800 XT
198%
GeForce RTX 3080
207%
Radeon RX 6900 XT
220%
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
1489 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 Ultimate (12_2)
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