Radeon RX 6600 vs Radeon RX 550 640SP
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 2GB VRAM Radeon RX 550 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6600 's Advantages
Released 4 years late
Boost Clock has increased by 133% (2491MHz vs 1071MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 96.00GB/s)
1152 additional rendering cores
Radeon RX 550 640SP 's Advantages
Lower TDP (60W vs 132W)
Score
Benchmark
FP32 (float)
Radeon RX 6600
+551%
8928
Radeon RX 550 640SP
1371
Graphics Card
Oct 2021
Release Date
Oct 2017
Navi II
Generation
Polaris
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
1626 MHz
Base Clock
1019 MHz
2491 MHz
Boost Clock
1071 MHz
1750 MHz
Memory Clock
1500 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
128bit
224.0GB/s
Bandwidth
96.00GB/s
Render Config
28
Compute Units
10
1792
Shading Units
640
112
TMUs
40
64
ROPs
16
28
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
1024 KB
32 MB
L3 Cache
-
Theoretical Performance
159.4 GPixel/s
Pixel Rate
17.14 GPixel/s
279.0 GTexel/s
Texture Rate
42.84 GTexel/s
17.86 TFLOPS
FP16 (half)
1371 GFLOPS
8.928 TFLOPS
FP32 (float)
1371 GFLOPS
558.0 GFLOPS
FP64 (double)
85.68 GFLOPS
Board Design
132W
TDP
60W
300 W
Suggested PSU
250 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
1x 8-pin
Power Connectors
None
Graphics Processor
Navi 23
GPU Name
Baffin
Navi 23 XL
(215-130000016)
GPU Variant
Baffin LE
RDNA 2.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
7 nm
Process Size
14 nm
11.06 billion
Transistors
3 billion
237 mm²
Die Size
123 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.3
Vulkan
1.2
6.5
Shader Model
6.4
