AMD Radeon RX 6650 XT vs AMD Radeon RX 8800 XT
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 16GB VRAM Radeon RX 8800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6650 XT 's Advantages
Boost Clock has increased by 8% (2635MHz vs 2430MHz)
Lower TDP (176W vs 220W)
AMD Radeon RX 8800 XT 's Advantages
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (624.1GB/s vs 280.3GB/s)
2048 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6650 XT
10.79 TFLOPS
Radeon RX 8800 XT
+84%
19.91 TFLOPS
Graphics Card
May 2022
Release Date
Unknown
Navi II
Generation
Navi IV(RX 8000)
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
2055 MHz
Base Clock
1295 MHz
2635 MHz
Boost Clock
2430 MHz
2190 MHz
Memory Clock
2438 MHz
Memory
8GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
128bit
Memory Bus
256bit
280.3GB/s
Bandwidth
624.1GB/s
Render Config
32
Compute Units
64
-
-
-
2048
Shading Units
4096
128
TMUs
256
64
ROPs
96
-
-
-
32
RT Cores
64
128 KB per Array
L1 Cache
128 KB per Array
2 MB
L2 Cache
4 MB
32 MB
L3 Cache
64 MB
Theoretical Performance
168.6 GPixel/s
Pixel Rate
233.3 GPixel/s
337.3 GTexel/s
Texture Rate
622.1 GTexel/s
21.59 TFLOPS
FP16 (half)
39.81 TFLOPS
10.79 TFLOPS
FP32 (float)
19.91 TFLOPS
674.6 GFLOPS
FP64 (double)
622.1 GFLOPS
Board Design
176W
TDP
220W
450 W
Suggested PSU
550 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Navi 23
GPU Name
Navi 48
Navi 23 KXT
(215-130000136)
GPU Variant
Navi 48 XT
RDNA 2.0
Architecture
RDNA 4.0
TSMC
Foundry
TSMC
7 nm
Process Size
4 nm
11.06 billion
Transistors
Unknown
237 mm²
Die Size
Unknown
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.2
1.3
Vulkan
1.3
-
-
-
6.5
Shader Model
6.8
