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AMD Radeon Pro W6800X Duo

Graphics Processor
Navi 21 x2
Cores
3840 x2
TMUs
240 x2
ROPs
96 x2
Memory Size
32 GB x2
Memory Type
GDDR6
Bus Width
256 bit x2
The Radeon Pro W6800X Duo is an enthusiast-class professional graphics card by AMD, launched on August 3rd, 2021. Built on the 7 nm process, and based on the Navi 21 graphics processor, in its Navi 21 Pro-XLA variant, the card supports DirectX 12 Ultimate. The Navi 21 graphics processor is a large chip with a die area of 520 mm² and 26,800 million transistors. Unlike the fully unlocked Radeon RX 6900 XT, which uses the same GPU but has all 5120 shaders enabled, AMD has disabled some shading units on the Radeon Pro W6800X Duo to reach the product's target shader count. Radeon Pro W6800X Duo combines two graphics processors to increase performance. It features 3840 shading units, 240 texture mapping units, and 96 ROPs, per GPU. The card also has 60 raytracing acceleration cores. AMD has paired 64 GB GDDR6 memory with the Radeon Pro W6800X Duo, which are connected using a 256-bit memory interface per GPU (each GPU manages 32,768 MB). The GPU is operating at a frequency of 1800 MHz, which can be boosted up to 1975 MHz, memory is running at 2000 MHz (16 Gbps effective).
Being a quad-slot card, the AMD Radeon Pro W6800X Duo does not require any additional power connector, its power draw is rated at 400 W maximum. Display outputs include: 1x HDMI, 4x Thunderbolt. Radeon Pro W6800X Duo is connected to the rest of the system using a PCI-Express 4.0 x16 interface. The card measures 267 mm in length, 120 mm in width, and features a quad-slot cooling solution. Its price at launch was 4999 US Dollars.

Graphics Processor

GPU Name
Navi 21
GPU Variant
Navi 21 Pro-XLA
Architecture
RDNA 2.0
Foundry
TSMC
Process Size
7 nm
Transistors
26,800 million
Die Size
520 mm²

Graphics Card

Release Date
Aug 3rd, 2021
Generation
Radeon Pro Mac
(Navi II Series)
Production
Active
Launch Price
4,999 USD
Bus Interface
PCIe 4.0 x16

Relative Performance

1%
GeForce 210
1%
GeForce 9400 GT
1%
Radeon HD 4550
2%
Radeon HD 5450
2%
Radeon HD 6450
2%
GeForce GT 520
3%
GeForce GT 220
3%
GeForce GT 430
3%
Radeon HD 5570
4%
Radeon HD 4670
4%
GeForce GT 440
4%
GeForce GT 240
5%
GeForce 9600 GT
5%
Radeon HD 5670
5%
GeForce GT 640
5%
GeForce 9800 GT
6%
Radeon HD 6670
6%
Radeon HD 4830
6%
Radeon HD 4770
6%
Radeon HD 4850
7%
GeForce GTS 250
7%
GeForce GTS 450
7%
Radeon HD 5750
8%
Radeon HD 7750
8%
Radeon HD 5770
8%
GeForce GTX 260
8%
Radeon HD 4870
8%
Radeon Vega 8
8%
GeForce GTX 550 Ti
8%
GeForce GTX 650
9%
Radeon HD 5830
9%
Radeon HD 6790
10%
Radeon HD 4890
10%
GeForce GTX 460
10%
Radeon RX Vega 11
10%
GeForce GT 1030
10%
GeForce GTX 275
10%
Radeon HD 7770 GHz Edition
10%
GeForce GTX 280
10%
GeForce GTX 465
11%
Radeon HD 6850
11%
GeForce GTX 285
12%
Radeon HD 5850
12%
Radeon HD 7790
12%
GeForce GTX 650 Ti
13%
Radeon RX 550
13%
GeForce GTX 470
13%
Radeon HD 6870
14%
Radeon HD 5870
15%
GeForce GTX 560 Ti
15%
Radeon HD 4870 X2
15%
GeForce GTX 750 Ti
15%
Radeon HD 6950
15%
GeForce GTX 295
16%
GeForce GTX 650 Ti Boost
16%
Radeon HD 7850
16%
GeForce GTX 480
17%
Radeon HD 6970
17%
Radeon R7 265
17%
Radeon RX 460
17%
Radeon R7 370
17%
GeForce GTX 660
18%
GeForce GTX 570
18%
Radeon RX 560
19%
GeForce GTX 950
19%
Radeon HD 7870 GHz Edition
20%
Radeon R9 270X
20%
GeForce GTX 660 Ti
20%
GeForce GTX 580
20%
GeForce GTX 1050
20%
Radeon HD 7950
20%
Radeon HD 5970
21%
GeForce GTX 760
23%
GeForce GTX 670
23%
GeForce GTX 960
24%
Radeon R9 380
24%
Radeon R9 285
24%
Radeon HD 7970
24%
GeForce GTX 680
25%
GeForce GTX 1050 Ti
26%
GeForce GTX 770
26%
Radeon HD 6990
27%
Radeon R9 280X
27%
GeForce GTX 590
27%
Radeon HD 7970 GHz Edition
30%
GeForce GTX 780
31%
GeForce GTX 1650
33%
Radeon RX 470
34%
Radeon R9 290
36%
Radeon RX 570
36%
Radeon R9 390
36%
Radeon R9 290X
37%
GeForce GTX 970
37%
GeForce GTX TITAN
38%
GeForce GTX 780 Ti
38%
Radeon R9 390X
38%
Radeon HD 7990
39%
Radeon RX 480
39%
GeForce GTX 690
40%
GeForce GTX 1060 6 GB
41%
Radeon RX 5500 OEM
41%
Radeon RX 580
41%
Radeon RX 5500 XT
42%
GeForce GTX 980
42%
GeForce GTX 1650 SUPER
42%
Radeon R9 FURY
44%
Radeon RX 590
47%
Radeon R9 295X2
47%
GeForce GTX 1660
47%
Radeon R9 FURY X
48%
GeForce GTX 980 Ti
50%
GeForce GTX TITAN X
53%
GeForce GTX 1660 SUPER
54%
GeForce GTX 1070
54%
GeForce GTX 1660 Ti
57%
Radeon RX Vega 56
61%
GeForce GTX 1070 Ti
62%
Radeon RX 5600 XT
63%
Radeon RX Vega 64
63%
GeForce RTX 2060
63%
GeForce GTX 1080
66%
Radeon RX 5700
71%
GeForce RTX 2060 SUPER
74%
GeForce RTX 2070
75%
GeForce RTX 3060
76%
Radeon RX 5700 XT
76%
Radeon VII
78%
TITAN X Pascal
81%
GeForce GTX 1080 Ti
82%
GeForce RTX 2070 SUPER
84%
Radeon RX 6600 XT
87%
GeForce RTX 2080
92%
GeForce RTX 2080 SUPER
94%
GeForce RTX 3060 Ti
96%
Radeon RX 6700 XT
100%
Radeon Pro W6800X Duo
103%
GeForce RTX 2080 Ti
110%
GeForce RTX 3070
118%
GeForce RTX 3070 Ti
122%
Radeon RX 6800
140%
Radeon RX 6800 XT
144%
GeForce RTX 3080
152%
Radeon RX 6900 XT
161%
GeForce RTX 3080 Ti
162%
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
1800 MHz
Boost Clock
1975 MHz
Memory Clock
2000 MHz
16 Gbps effective

Memory

Memory Size
32 GB
Memory Type
GDDR6
Memory Bus
256 bit
Bandwidth
512.0 GB/s

Render Config

Shading Units
3840
TMUs
240
ROPs
96
Compute Units
60
RT Cores
60
L0 Cache
32 KB per WGP
L1 Cache
128 KB per Array
L2 Cache
4 MB
L3 Cache
128 MB

Theoretical Performance

Pixel Rate
189.6 GPixel/s
Texture Rate
474.0 GTexel/s
FP16 (half) performance
30.34 TFLOPS (2:1)
FP32 (float) performance
15.17 TFLOPS
FP64 (double) performance
948.0 GFLOPS (1:16)

Board Design

Slot Width
Quad-slot
Length
267 mm
10.5 inches
Width
120 mm
4.7 inches
TDP
400 W
Suggested PSU
800 W
Outputs
1x HDMI
4x Thunderbolt
Power Connectors
None

Graphics Features

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

Navi 21 GPU Notes

Architecture Codename: Navi
Codename: Sienna Cichlid
Graphics/Compute: GFX10 (gfx1030)
Display Core Next: 3.0
Video Core Next: 3.0
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