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AMD Radeon Pro W6800X

Graphics Processor
Navi 21
Cores
3840
TMUs
240
ROPs
96
Memory Size
32 GB
Memory Type
GDDR6
Bus Width
256 bit
The Radeon Pro W6800X is a 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 to reach the product's target shader count. It features 3840 shading units, 240 texture mapping units, and 96 ROPs. The card also has 60 raytracing acceleration cores. AMD has paired 32 GB GDDR6 memory with the Radeon Pro W6800X, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 1800 MHz, which can be boosted up to 2075 MHz, memory is running at 2000 MHz (16 Gbps effective).
Being a quad-slot card, the AMD Radeon Pro W6800X 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 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.

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
Bus Interface
PCIe 4.0 x16

Relative Performance

1%
GeForce 210
1%
GeForce 9400 GT
1%
Radeon HD 4550
1%
Radeon HD 5450
2%
Radeon HD 6450
2%
GeForce GT 520
2%
GeForce GT 220
3%
GeForce GT 430
3%
Radeon HD 5570
3%
Radeon HD 4670
3%
GeForce GT 440
3%
GeForce GT 240
4%
GeForce 9600 GT
4%
Radeon HD 5670
4%
GeForce GT 640
4%
GeForce 9800 GT
5%
Radeon HD 6670
5%
Radeon HD 4830
5%
Radeon HD 4770
5%
Radeon HD 4850
5%
GeForce GTS 250
6%
GeForce GTS 450
6%
Radeon HD 5750
7%
Radeon HD 7750
7%
Radeon HD 5770
7%
GeForce GTX 260
7%
Radeon HD 4870
7%
Radeon Vega 8
7%
GeForce GTX 550 Ti
7%
GeForce GTX 650
7%
Radeon HD 5830
8%
Radeon HD 6790
8%
Radeon HD 4890
8%
GeForce GTX 460
8%
Radeon RX Vega 11
8%
GeForce GT 1030
9%
GeForce GTX 275
9%
Radeon HD 7770 GHz Edition
9%
GeForce GTX 280
9%
GeForce GTX 465
9%
Radeon HD 6850
9%
GeForce GTX 285
10%
Radeon HD 5850
10%
Radeon HD 7790
10%
GeForce GTX 650 Ti
11%
Radeon RX 550
11%
GeForce GTX 470
11%
Radeon HD 6870
12%
Radeon HD 5870
12%
GeForce GTX 560 Ti
12%
Radeon HD 4870 X2
12%
GeForce GTX 750 Ti
12%
Radeon HD 6950
13%
GeForce GTX 295
13%
GeForce GTX 650 Ti Boost
13%
Radeon HD 7850
13%
GeForce GTX 480
14%
Radeon HD 6970
14%
Radeon R7 265
15%
Radeon RX 460
15%
Radeon R7 370
15%
GeForce GTX 660
15%
GeForce GTX 570
15%
Radeon RX 560
16%
GeForce GTX 950
16%
Radeon HD 7870 GHz Edition
16%
Radeon R9 270X
16%
GeForce GTX 660 Ti
17%
GeForce GTX 580
17%
GeForce GTX 1050
17%
Radeon HD 7950
17%
Radeon HD 5970
18%
GeForce GTX 760
19%
GeForce GTX 670
19%
GeForce GTX 960
20%
Radeon R9 380
20%
Radeon R9 285
20%
Radeon HD 7970
20%
GeForce GTX 680
21%
GeForce GTX 1050 Ti
21%
GeForce GTX 770
22%
Radeon HD 6990
22%
Radeon R9 280X
23%
GeForce GTX 590
23%
Radeon HD 7970 GHz Edition
25%
GeForce GTX 780
26%
GeForce GTX 1650
28%
Radeon RX 470
28%
Radeon R9 290
30%
Radeon RX 570
30%
Radeon R9 390
30%
Radeon R9 290X
31%
GeForce GTX 970
31%
GeForce GTX TITAN
31%
GeForce GTX 780 Ti
32%
Radeon R9 390X
32%
Radeon HD 7990
32%
Radeon RX 480
32%
GeForce GTX 690
33%
GeForce GTX 1060 6 GB
34%
Radeon RX 5500 OEM
34%
Radeon RX 580
34%
Radeon RX 5500 XT
35%
GeForce GTX 980
35%
GeForce GTX 1650 SUPER
35%
Radeon R9 FURY
37%
Radeon RX 590
39%
Radeon R9 295X2
39%
GeForce GTX 1660
40%
Radeon R9 FURY X
40%
GeForce GTX 980 Ti
41%
GeForce GTX TITAN X
44%
GeForce GTX 1660 SUPER
45%
GeForce GTX 1070
45%
GeForce GTX 1660 Ti
48%
Radeon RX Vega 56
51%
GeForce GTX 1070 Ti
51%
Radeon RX 5600 XT
52%
Radeon RX Vega 64
53%
GeForce RTX 2060
53%
GeForce GTX 1080
55%
Radeon RX 5700
59%
GeForce RTX 2060 SUPER
62%
GeForce RTX 2070
63%
GeForce RTX 3060
63%
Radeon RX 5700 XT
64%
Radeon VII
65%
TITAN X Pascal
67%
GeForce GTX 1080 Ti
68%
GeForce RTX 2070 SUPER
70%
Radeon RX 6600 XT
72%
GeForce RTX 2080
77%
GeForce RTX 2080 SUPER
79%
GeForce RTX 3060 Ti
80%
Radeon RX 6700 XT
86%
GeForce RTX 2080 Ti
92%
GeForce RTX 3070
98%
GeForce RTX 3070 Ti
100%
Radeon Pro W6800X
101%
Radeon RX 6800
116%
Radeon RX 6800 XT
120%
GeForce RTX 3080
127%
Radeon RX 6900 XT
134%
GeForce RTX 3080 Ti
135%
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
2075 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
199.2 GPixel/s
Texture Rate
498.0 GTexel/s
FP16 (half) performance
31.87 TFLOPS (2:1)
FP32 (float) performance
15.94 TFLOPS
FP64 (double) performance
996.0 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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