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AMD Radeon RX 6900 XTX

Graphics Processor
Navi 21
Cores
5120
TMUs
320
ROPs
128
Memory Size
16 GB
Memory Type
GDDR6
Bus Width
256 bit
The Radeon RX 6900 XTX is a graphics card by AMD, that was never released. Built on the 7 nm process, and based on the Navi 21 graphics processor, in its Navi 21 XTXH variant, the card supports DirectX 12 Ultimate. This ensures that all modern games will run on Radeon RX 6900 XTX. Additionally, the DirectX 12 Ultimate capability guarantees support for hardware-raytracing, variable-rate shading and more, in upcoming video games. The Navi 21 graphics processor is a large chip with a die area of 520 mm² and 26,800 million transistors. It features 5120 shading units, 320 texture mapping units, and 128 ROPs. The card also has 80 raytracing acceleration cores. AMD has paired 16 GB GDDR6 memory with the Radeon RX 6900 XTX, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 2075 MHz, which can be boosted up to 2435 MHz, memory is running at 2250 MHz (18 Gbps effective).
Being a dual-slot card, the AMD Radeon RX 6900 XTX draws power from 2x 8-pin power connectors, with power draw rated at 330 W maximum. Display outputs include: 1x HDMI, 2x DisplayPort, 1x USB Type-C. Radeon RX 6900 XTX is connected to the rest of the system using a PCI-Express 4.0 x16 interface. The card's dimensions are 267 mm x 135 mm x 50 mm, and it features a dual-slot cooling solution.

Graphics Processor

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

Graphics Card

Release Date
Never Released
Generation
Navi II
(RX 6000)
Predecessor
Navi
Production
Active
Bus Interface
PCIe 4.0 x16

Relative Performance

0%
GeForce 210
1%
GeForce 9400 GT
1%
Radeon HD 4550
1%
Radeon HD 5450
1%
Radeon HD 6450
1%
GeForce GT 520
2%
GeForce GT 220
2%
GeForce GT 430
2%
Radeon HD 5570
2%
Radeon HD 4670
2%
GeForce GT 440
2%
GeForce GT 240
3%
GeForce 9600 GT
3%
Radeon HD 5670
3%
GeForce GT 640
3%
GeForce 9800 GT
3%
Radeon HD 6670
3%
Radeon HD 4830
4%
Radeon HD 4770
4%
Radeon HD 4850
4%
GeForce GTS 250
4%
GeForce GTS 450
4%
Radeon HD 5750
5%
Radeon HD 7750
5%
Radeon HD 5770
5%
GeForce GTX 260
5%
Radeon HD 4870
5%
Radeon Vega 8
5%
GeForce GTX 550 Ti
5%
GeForce GTX 650
5%
Radeon HD 5830
6%
Radeon HD 6790
6%
Radeon HD 4890
6%
GeForce GTX 460
6%
Radeon RX Vega 11
6%
GeForce GT 1030
6%
GeForce GTX 275
6%
Radeon HD 7770 GHz Edition
6%
GeForce GTX 280
6%
GeForce GTX 465
7%
Radeon HD 6850
7%
GeForce GTX 285
7%
Radeon HD 5850
7%
Radeon HD 7790
7%
GeForce GTX 650 Ti
8%
Radeon RX 550
8%
GeForce GTX 470
8%
Radeon HD 6870
9%
Radeon HD 5870
9%
GeForce GTX 560 Ti
9%
Radeon HD 4870 X2
9%
GeForce GTX 750 Ti
9%
Radeon HD 6950
9%
GeForce GTX 295
10%
GeForce GTX 650 Ti Boost
10%
Radeon HD 7850
10%
GeForce GTX 480
10%
Radeon HD 6970
10%
Radeon R7 265
11%
Radeon RX 460
11%
Radeon R7 370
11%
GeForce GTX 660
11%
GeForce GTX 570
11%
Radeon RX 560
12%
GeForce GTX 950
12%
Radeon HD 7870 GHz Edition
12%
Radeon R9 270X
12%
GeForce GTX 660 Ti
12%
GeForce GTX 580
12%
GeForce GTX 1050
12%
Radeon HD 7950
12%
Radeon HD 5970
13%
GeForce GTX 760
14%
GeForce GTX 670
14%
GeForce GTX 960
15%
Radeon R9 380
15%
Radeon R9 285
15%
Radeon HD 7970
15%
GeForce GTX 680
15%
GeForce GTX 1050 Ti
16%
GeForce GTX 770
16%
Radeon HD 6990
16%
Radeon R9 280X
17%
GeForce GTX 590
17%
Radeon HD 7970 GHz Edition
18%
GeForce GTX 780
19%
GeForce GTX 1650
20%
Radeon RX 470
21%
Radeon R9 290
22%
Radeon RX 570
22%
Radeon R9 390
22%
Radeon R9 290X
22%
GeForce GTX 970
23%
GeForce GTX TITAN
23%
GeForce GTX 780 Ti
23%
Radeon R9 390X
23%
Radeon HD 7990
23%
Radeon RX 480
24%
GeForce GTX 690
24%
GeForce GTX 1060 6 GB
25%
Radeon RX 5500 OEM
25%
Radeon RX 580
25%
Radeon RX 5500 XT
25%
GeForce GTX 980
26%
GeForce GTX 1650 SUPER
26%
Radeon R9 FURY
27%
Radeon RX 590
28%
Radeon R9 295X2
29%
GeForce GTX 1660
29%
Radeon R9 FURY X
29%
GeForce GTX 980 Ti
30%
GeForce GTX TITAN X
32%
GeForce GTX 1660 SUPER
33%
GeForce GTX 1070
33%
GeForce GTX 1660 Ti
35%
Radeon RX Vega 56
37%
GeForce GTX 1070 Ti
38%
Radeon RX 5600 XT
38%
Radeon RX Vega 64
39%
GeForce GTX 1080
39%
GeForce RTX 2060
40%
Radeon RX 5700
43%
GeForce RTX 2060 SUPER
45%
GeForce RTX 2070
46%
GeForce RTX 3060
46%
Radeon RX 5700 XT
46%
Radeon VII
48%
TITAN X Pascal
49%
GeForce GTX 1080 Ti
50%
GeForce RTX 2070 SUPER
53%
GeForce RTX 2080
56%
GeForce RTX 2080 SUPER
57%
GeForce RTX 3060 Ti
58%
Radeon RX 6700 XT
63%
GeForce RTX 2080 Ti
67%
GeForce RTX 3070
72%
GeForce RTX 3070 Ti
74%
Radeon RX 6800
85%
Radeon RX 6800 XT
87%
GeForce RTX 3080
92%
Radeon RX 6900 XT
98%
GeForce RTX 3080 Ti
99%
GeForce RTX 3090
100%
Radeon RX 6900 XTX
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
2075 MHz
Game Clock
2250 MHz
Boost Clock
2435 MHz
Memory Clock
2250 MHz
18 Gbps effective

Memory

Memory Size
16 GB
Memory Type
GDDR6
Memory Bus
256 bit
Bandwidth
576.0 GB/s

Render Config

Shading Units
5120
TMUs
320
ROPs
128
Compute Units
80
RT Cores
80
L0 Cache
32 KB per WGP
L1 Cache
128 KB per Array
L2 Cache
4 MB
L3 Cache
128 MB

Theoretical Performance

Pixel Rate
311.7 GPixel/s
Texture Rate
779.2 GTexel/s
FP16 (half) performance
49.87 TFLOPS (2:1)
FP32 (float) performance
24.93 TFLOPS
FP64 (double) performance
1.558 TFLOPS (1:16)

Board Design

Slot Width
Dual-slot
Length
267 mm
10.5 inches
Width
135 mm
5.3 inches
Height
50 mm
2 inches
TDP
330 W
Suggested PSU
700 W
Outputs
1x HDMI
2x DisplayPort
1x USB Type-C
Power Connectors
2x 8-pin
Part Number
102-D412

Graphics Features

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

Card Notes

Engineering Sample

Navi 21 GPU Notes

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