Radeon RX 6600 vs Radeon HD 3450
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 256MB VRAM Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6600 's Advantages
Released 13 years and 10 months late
Boost Clock2491MHz
More VRAM (8GB vs 256GB)
Larger VRAM bandwidth (224.0GB/s vs 8.000GB/s)
1752 additional rendering cores
Radeon HD 3450 's Advantages
Lower TDP (25W vs 132W)
Score
Benchmark
FP32 (float)
Radeon RX 6600
+18500%
8928
Radeon HD 3450
48
Graphics Card
Oct 2021
Release Date
Dec 2007
Navi II
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1626 MHz
Base Clock
-
2491 MHz
Boost Clock
-
1750 MHz
Memory Clock
500 MHz
Memory
8GB
Memory Size
256MB
GDDR6
Memory Type
DDR2
128bit
Memory Bus
64bit
224.0GB/s
Bandwidth
8.000GB/s
Render Config
28
Compute Units
2
1792
Shading Units
40
112
TMUs
4
64
ROPs
4
28
RT Cores
-
128 KB per Array
L1 Cache
-
2 MB
L2 Cache
64 KB
32 MB
L3 Cache
-
Theoretical Performance
159.4 GPixel/s
Pixel Rate
2.400 GPixel/s
279.0 GTexel/s
Texture Rate
2.400 GTexel/s
17.86 TFLOPS
FP16 (half)
-
8.928 TFLOPS
FP32 (float)
48.00 GFLOPS
558.0 GFLOPS
FP64 (double)
-
Board Design
132W
TDP
25W
300 W
Suggested PSU
200 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
1x VGA
1x S-Video
1x 8-pin
Power Connectors
None
Graphics Processor
Navi 23
GPU Name
RV620
Navi 23 XL
(215-130000016)
GPU Variant
RV620 LE
RDNA 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
7 nm
Process Size
55 nm
11.06 billion
Transistors
0.181 billion
237 mm²
Die Size
67 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
N/A
1.3
Vulkan
N/A
6.5
Shader Model
4.1
