AMD Radeon RX 6650 XT vs AMD Radeon RX 6900 XT
GPU · Specs Compare
Graphics Card
Release Date
May 2022
Oct 2020
Generation
Navi II
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
2055 MHz
1825 MHz
Boost Clock
2635 MHz
2250 MHz
Memory Clock
2190 MHz
2000 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
256bit
Bandwidth
280.3GB/s
512.0GB/s
Render Config
Compute Units
32
80
Shading Units
2048
5120
TMUs
128
320
ROPs
64
128
RT Cores
32
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
168.6 GPixel/s
288.0 GPixel/s
Texture Rate
337.3 GTexel/s
720.0 GTexel/s
FP16 (half)
21.59 TFLOPS
46.08 TFLOPS
FP32 (float)
10.79 TFLOPS
23.04 TFLOPS
FP64 (double)
674.6 GFLOPS
1440.0 GFLOPS
Graphics Processor
GPU Name
Navi 23
Navi 21
GPU Variant
Navi 23 KXT(215-130000136)
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
176W
300W
Suggested PSU
450 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
6.5
6.8
Benchmark
3DMark Time Spy
—
20,764
▲ Specs Compare
Data sourced from official specifications and benchmark tests.