Radeon RX 6600 XT vs Radeon HD 3450 AGP
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 512MB VRAM Radeon HD 3450 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6600 XT 's Advantages
Released 13 years and 6 months late
Boost Clock2589MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (256.0GB/s vs 8.000GB/s)
2008 additional rendering cores
Radeon HD 3450 AGP 's Advantages
Lower TDP (25W vs 160W)
Score
Benchmark
FP32 (float)
Radeon RX 6600 XT
+21983%
10600
Radeon HD 3450 AGP
48
Graphics Card
Jul 2021
Release Date
Jan 2008
Navi II
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
AGP 8x
Clock Speeds
1968 MHz
Base Clock
-
2589 MHz
Boost Clock
-
2000 MHz
Memory Clock
500 MHz
Memory
8GB
Memory Size
512MB
GDDR6
Memory Type
DDR2
128bit
Memory Bus
64bit
256.0GB/s
Bandwidth
8.000GB/s
Render Config
32
Compute Units
2
2048
Shading Units
40
128
TMUs
4
64
ROPs
4
32
RT Cores
-
128 KB per Array
L1 Cache
-
2 MB
L2 Cache
64 KB
32 MB
L3 Cache
-
Theoretical Performance
165.7 GPixel/s
Pixel Rate
2.400 GPixel/s
331.4 GTexel/s
Texture Rate
2.400 GTexel/s
21.21 TFLOPS
FP16 (half)
-
10.60 TFLOPS
FP32 (float)
48.00 GFLOPS
662.8 GFLOPS
FP64 (double)
-
Board Design
160W
TDP
25W
450 W
Suggested PSU
200 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
2x DVI
1x 8-pin
Power Connectors
1x Molex
Graphics Processor
Navi 23
GPU Name
RV620
Navi 23 XT
(215-130000006)
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
6.7
Shader Model
4.1
