Home GPU Comparison AMD Radeon RX 6800 XT vs AMD Radeon RX 6900 XT

AMD Radeon RX 6800 XT vs AMD Radeon RX 6900 XT

AMD Radeon RX 6800 XT
VS
AMD Radeon RX 6900 XT
AMD Radeon RX 6800 XT AMD Radeon RX 6900 XT
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 16GB VRAM Radeon RX 6900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XT 's Advantages
512 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon RX 6800 XT
20.74 TFLOPS
Radeon RX 6900 XT +11%
23.04 TFLOPS
3DMark Time Spy
Radeon RX 6800 XT
19415
Radeon RX 6900 XT +7%
20902
Blender
Radeon RX 6800 XT
2647
Radeon RX 6900 XT +8%
2883
Shadow of the Tomb Raider 2160p
Radeon RX 6800 XT
72
Radeon RX 6900 XT +9%
79
Shadow of the Tomb Raider 1440p
Radeon RX 6800 XT
134
Radeon RX 6900 XT +5%
142
Shadow of the Tomb Raider 1080p
Radeon RX 6800 XT
188
Radeon RX 6900 XT +3%
194
Cyberpunk 2077 2160p
Radeon RX 6800 XT
60
Radeon RX 6900 XT +10%
66
Cyberpunk 2077 1440p
Radeon RX 6800 XT
69
Radeon RX 6900 XT +11%
77
Cyberpunk 2077 1080p
Radeon RX 6800 XT
102
Radeon RX 6900 XT +13%
116
Battlefield 5 2160p
Radeon RX 6800 XT
104
Radeon RX 6900 XT +9%
114
Battlefield 5 1440p
Radeon RX 6800 XT
179
Radeon RX 6900 XT +11%
200
Battlefield 5 1080p
Radeon RX 6800 XT
199
Radeon RX 6900 XT +1%
201
GTA 5 2160p
Radeon RX 6800 XT
111
Radeon RX 6900 XT +14%
127
GTA 5 1440p
Radeon RX 6800 XT
138
Radeon RX 6900 XT +10%
152
GTA 5 1080p
Radeon RX 6800 XT
178
Radeon RX 6900 XT +6%
189
Horizon Forbidden West 1080p
Radeon RX 6800 XT
107
Radeon RX 6900 XT +6%
114
Horizon Forbidden West 1440p
Radeon RX 6800 XT
52
Radeon RX 6900 XT +71%
89
Radeon RX 6800 XT
VS
Radeon RX 6900 XT

Graphics Card

Oct 2020
Release Date
Oct 2020
Navi II
Generation
Navi II
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

1825 MHz
Base Clock
1825 MHz
2250 MHz
Boost Clock
2250 MHz
2000 MHz
Memory Clock
2000 MHz

Memory

16GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
256bit
512.0GB/s
Bandwidth
512.0GB/s

Render Config

-
SM Count
-
72
Compute Units
80
4608
Shading Units
5120
288
TMUs
320
128
ROPs
128
-
Tensor Cores
-
72
RT Cores
80
128 KB per Array
L1 Cache
128 KB per Array
4 MB
L2 Cache
4 MB

Theoretical Performance

288.0 GPixel/s
Pixel Rate
288.0 GPixel/s
648.0 GTexel/s
Texture Rate
720.0 GTexel/s
41.47 TFLOPS
FP16 (half)
46.08 TFLOPS
20.74 TFLOPS
FP32 (float)
23.04 TFLOPS
1296 GFLOPS
FP64 (double)
1440 GFLOPS

Graphics Processor

Navi 21
GPU Name
Navi 21
Navi 21 XT (215-121000177)
GPU Variant
Navi 21 XTX (215-121000167)
RDNA 2.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
7 nm
Process Size
7 nm
26.8 billion
Transistors
26.8 billion
520 mm²
Die Size
520 mm²

Board Design

300W
TDP
300W
700 W
Suggested PSU
700 W
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
Outputs
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
2x 8-pin
Power Connectors
2x 8-pin

Graphics Features

12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.3
Vulkan
1.3
-
CUDA
-
6.5
Shader Model
6.5

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