AMD Radeon RX 6900 XT vs AMD Radeon RX 560X
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Apr 2018
Generation
Navi II
Polaris
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1825 MHz
1175 MHz
Boost Clock
2250 MHz
1275 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
128bit
Bandwidth
512.0GB/s
112.0GB/s
Render Config
Compute Units
80
16
Shading Units
5120
1024
TMUs
320
64
ROPs
128
16
RT Cores
80
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
1024 KB
L3 Cache
128 MB
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Theoretical Performance
Pixel Rate
288.0 GPixel/s
20.40 GPixel/s
Texture Rate
720.0 GTexel/s
81.60 GTexel/s
FP16 (half)
46.08 TFLOPS
2.611 TFLOPS
FP32 (float)
23.04 TFLOPS
2.611 TFLOPS
FP64 (double)
1440.0 GFLOPS
163.2 GFLOPS
Graphics Processor
GPU Name
Navi 21
Polaris 21
GPU Variant
Navi 21 XTX(215-121000167)
Polaris 21 XT(215-0908004)
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
26.8 billion
3 billion
Die Size
520 mm²
123 mm²
Board Design
TDP
300W
75W
Suggested PSU
700 W
250 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.4
1.2
Shader Model
6.8
6.4
📊 Benchmark
3DMark Time Spy
20,764
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