Sapphire Toxic Radeon RX 6900 XT Limited Edition
AMD AMD Radeon RX 6900 XT Speed index 20/100 Last updated:

Sapphire Toxic Radeon RX 6900 XT Limited Edition Benchmark and Specs

Here we show you benchmarks and technical data for the Sapphire Toxic Radeon RX 6900 XT Limited Edition. The graphics card is based on the AMD Radeon RX 6900 XT (RDNA 2) and has 16 GB GDDR6 graphics memory with a memory bandwidth of 512 GB/s. The Sapphire Toxic Radeon RX 6900 XT Limited Edition has 80 execution units with 5120 shaders.
FP32
24.22TFLOPS
Boost Clock
2.37GHz
Memory
16GB GDDR6
TDP
400 W

Technical details

GPU

The Sapphire Toxic Radeon RX 6900 XT Limited Edition has 5120 shaders and 80 execution units. The graphics card thus achieves a theoretical FP32 computing power of 24.22 TFLOPS.

GPU Chip
Navi 21 (RDNA 2)
Streaming Multiprocessors
80
Shader
5120
Render Output Units
128
Texture Units
320
Raytracing Cores
80

Memory

The Sapphire Toxic Radeon RX 6900 XT Limited Edition can use 16 GB graphics memory of the type GDDR6. The graphics card thus achieves a memory bandwidth of 512 GB/s on a 256 bit wide memory interface.

Memory Size
16 GB
Memory Type
GDDR6
Memory Clock
2.000 GHz
Memory Speed
16.0 Gbps
Memory bandwidth
512 GB/s
Memory Interface
256 bit

Clock Speeds

The base clock frequency of the Sapphire Toxic Radeon RX 6900 XT Limited Edition is 1.825 GHz. A high clock frequency (even in turbo mode) can greatly increase the speed of a graphics card.

Base Clock
1.825 GHz
Boost Clock
2.365 GHz+5 %
Avg (Game) Clock
2.135 GHz+6 %
Overclocking
Yes

Thermal Design

The TDP (Thermal Design Power) of the Sapphire Toxic Radeon RX 6900 XT Limited Edition is 400 W. The graphics card is supplied with energy via the 1 x 6-Pin, 2 x 8-Pin connector.

TDP
400 W+33 %
Tjunction max
100 °C
PCIe-Power
1 x 6-Pin, 2 x 8-Pin

Cooler & Fans

The Sapphire Toxic Radeon RX 6900 XT Limited Edition has a total of 4 Axial fans to cool the graphics processor and graphics memory.

Fan-Type
Axial
Fan 1
3 x 120 mm
Fan 2
1 x 90 mm
Cooler-Type
AIO water cooling
Noise (Idle)
0 dB / Silent

Connectivity

Up to 4 screens can be connected to the Sapphire Toxic Radeon RX 6900 XT Limited Edition.

Max. Displays
4
HDCP
2.3
HDMI
1x HDMI 2.1
DisplayPort
2x DP 1.4a
USB-C
1

Featureset

The Sapphire Toxic Radeon RX 6900 XT Limited Edition has a maximum resolution of 7680x4320 pixels. The graphics card supports the DirectX 12_2 (Ultimate) standard.

Max. resolution
7680x4320
DirectX
12_2 (Ultimate)
Raytracing
Yes
DLSS / FSR
Yes
LED
Addressable LED

Supported Video Codecs

The video codecs accelerated in hardware by the Sapphire Toxic Radeon RX 6900 XT Limited Edition reduce the processor load and ensure lower energy consumption.

h264
Decode / Encode
h265 / HEVC
Decode / Encode
VP8
Decode / Encode
VP9
Decode / Encode
AV1
Decode

Dimensions

The Sapphire Toxic Radeon RX 6900 XT Limited Edition is 270 mm long and 130 mm high. With a width of 45 mm, the graphics card requires 3 PCIe-Slots in the case.

Length
270 mm
Height
130 mm
Width
45 mm
Width (Slots)
3 PCIe-Slots
Weight
1148 g
SFF-Ready
No

Additional data

The Sapphire Toxic Radeon RX 6900 XT Limited Edition made in 7 nm was published in Q1/2021 for 1,499 $.

GPU Interface
PCIe 4.0 x 16
Release date
Q1/2021
Launch Price
1,499 $
Structure size
7 nm
Part-no
11308-04-20G
Documents
data sheet
Sapphire Toxic Radeon RX 6900 XT Limited Edition
1.825 GHz · 16 GB · 400 W TDP
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Benchmark results

3DMark Benchmark (DirectX, Raytracing)

3DMark is a benchmark program that determines the performance of certain components of a computer and then reports the performance as a numerical value.

Time Spy Extreme Graphics score Rank 1,058 / 5,633

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    10,088
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    10,207

Port Royal (Raytracing) Rank 1,538 / 4,176

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    10,142
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    10,262

Speed Way Graphics Score (Raytracing) Rank 1,606 / 3,536

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    3,712
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    3,755

Cyberpunk 2077

Cyberpunk 2077 was developed by CD Projekt Red and is based on the development studio's own REDengine 4. Ray tracing is switched off in our benchmarks.

3840x2160 (2160p) Rank 447 / 3,187

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    67 fps (avg)
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    66 fps (avg)

2560x1440 (1440p) Rank 859 / 3,190

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    79 fps (avg)
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    77 fps (avg)

1920x1080 (1080p) Rank 815 / 3,222

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    120 fps (avg)
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    116 fps (avg)

The Last of Us Part 1

The Last of Us Part One is a game released by Sony in June 2013 exclusively for the Playstation and released for the PC in early 2023. The benchmark values here were determined at high details.

3840x2160 (2160p) Rank 797 / 2,190

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    40 fps (avg)
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    38 fps (avg)

2560x1440 (1440p) Rank 820 / 2,709

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    78 fps (avg)
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    74 fps (avg)

1920x1080 (1080p) Rank 748 / 2,843

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    132 fps (avg)
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    126 fps (avg)

Battlefield 5

Battlefield 5 is a visually stunning game that is ideal as a graphics card benchmark. We test the game with maximum details on Windows 10.

3840x2160 (2160p) Rank 560 / 4,595

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    116 fps (avg)
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    114 fps (avg)

2560x1440 (1440p) Rank 53 / 4,594

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    210 fps (avg)
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    200 fps (avg)

1920x1080 (1080p) Rank 192 / 4,601

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    210 fps (avg)
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    201 fps (avg)

Geekbench 6 (OpenCL, Vulkan, Metal)

Geekbench 6 is a cross-platform benchmark for main processors, which also carries out 3 different graphics benchmarks and outputs them in the form of a numerical value.

Geekbench 6 - OpenCL Rank 1,036 / 5,255

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    169,660
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    173,572

Geekbench 6 - Vulkan Rank 740 / 5,233

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    169,707
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    118,486

Geekbench 6 - Metal Rank 31 / 750

  1. Sapphire Toxic Radeon RX 6900 XT Limited EditionSapphire Toxic Radeon RX 6900 XT Limited Edition16 GB GDDR6
    247,538
  2. AMD Radeon RX 6900 XTAMD Radeon RX 6900 XTAverage of gpu group
    170,801

MonkeyBench 2026.3 · browser GPU test

Average of 9 public MonkeyBench results (WebGPU) for the AMD Radeon RX 6900 XT.

611GPU points (Ø)
Rank 30 / 502 · in the MonkeyBench GPU ranking

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