AMD Radeon RX 6600 LE vs AMD Radeon RX 6900 XT
GPU Specs Compare
Graphics Card
Release Date
Dec 2023
Oct 2020
Generation
Navi II
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1626 MHz
1825 MHz
Boost Clock
2495 MHz
2250 MHz
Memory Clock
1750 MHz
2000 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
256bit
Bandwidth
224.0GB/s
512.0GB/s
Render Config
Compute Units
28
80
Shading Units
1792
5120
TMUs
112
320
ROPs
64
128
RT Cores
28
80
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
2 MB
4 MB
L3 Cache
32 MB
128 MB
Theoretical Performance
Pixel Rate
159.7 GPixel/s
288.0 GPixel/s
Texture Rate
279.4 GTexel/s
720.0 GTexel/s
FP16 (half)
17.88 TFLOPS
46.08 TFLOPS
FP32 (float)
8.942 TFLOPS
23.04 TFLOPS
FP64 (double)
558.9 GFLOPS
1440.0 GFLOPS
Graphics Processor
GPU Name
Navi 23
Navi 21
GPU Variant
Navi 23 XL(215-130000016)
Navi 21 XTX(215-121000167)
Architecture
RDNA 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
7 nm
Transistors
11.06 billion
26.8 billion
Die Size
237 mm²
520 mm²
Board Design
TDP
132W
300W
Suggested PSU
300 W
700 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.4
Shader Model
6.7
6.8
📊 Benchmark
3DMark Time Spy
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20,764