AMD Radeon RX 6600 XT vs ATI Radeon HD 5490
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 1024MB VRAM Radeon HD 5490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600 XT 's Advantages
Released 8 years and 9 months late
Boost Clock2589MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.0GB/s vs 8.000GB/s)
1968 additional rendering cores
ATI Radeon HD 5490 's Advantages
Lower TDP (19W vs 160W)
Score
Benchmark
FP32 (float)
Radeon RX 6600 XT
+10092%
10.6 TFLOPS
Radeon HD 5490
0.104 TFLOPS
Graphics Card
Jul 2021
Release Date
Oct 2012
Navi II
Generation
Evergreen
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1968 MHz
Base Clock
-
2589 MHz
Boost Clock
-
2000 MHz
Memory Clock
500 MHz
Memory
8GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR3
128bit
Memory Bus
64bit
256.0GB/s
Bandwidth
8.000GB/s
Render Config
32
Compute Units
2
-
-
-
2048
Shading Units
80
128
TMUs
8
64
ROPs
4
-
-
-
32
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
128 KB
32 MB
L3 Cache
-
Theoretical Performance
165.7 GPixel/s
Pixel Rate
2.600 GPixel/s
331.4 GTexel/s
Texture Rate
5.200 GTexel/s
21.21 TFLOPS
FP16 (half)
-
10.60 TFLOPS
FP32 (float)
104.0 GFLOPS
662.8 GFLOPS
FP64 (double)
-
Board Design
160W
TDP
19W
450 W
Suggested PSU
200 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x 8-pin
Power Connectors
None
Graphics Processor
Navi 23
GPU Name
Cedar
Navi 23 XT
(215-130000006)
GPU Variant
Cedar XTX
RDNA 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
11.06 billion
Transistors
0.292 billion
237 mm²
Die Size
59 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
-
-
-
6.7
Shader Model
5.0
