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GPU Comparison
AMD Radeon RX 6600 vs AMD Radeon HD 8450 OEM
AMD Radeon RX 6600 vs AMD Radeon HD 8450 OEM
VS
AMD Radeon RX 6600
AMD Radeon HD 8450 OEM
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 1024MB VRAM Radeon HD 8450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600 's Advantages
Released 8 years and 9 months late
Boost Clock2491MHz
More VRAM (8GB vs 1GB)
Larger VRAM bandwidth (224.0GB/s vs 10.67GB/s)
1632 additional rendering cores
AMD Radeon HD 8450 OEM 's Advantages
Lower TDP (18W vs 132W)
Score
Benchmark
FP32 (float)
Radeon RX 6600
+4364%
8.928 TFLOPS
Radeon HD 8450 OEM
0.2 TFLOPS
Radeon RX 6600
VS
Radeon HD 8450 OEM
Graphics Card
Oct 2021
Release Date
Jan 2013
Navi II
Generation
Sea Islands
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
667 MHz
Memory
8GB
Memory Size
1024MB
GDDR6
Memory Type
DDR3
128bit
Memory Bus
64bit
224.0GB/s
Bandwidth
10.67GB/s
Render Config
-
SM Count
-
28
Compute Units
2
1792
Shading Units
160
112
TMUs
8
64
ROPs
4
-
Tensor Cores
-
28
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
128 KB
Theoretical Performance
159.4 GPixel/s
Pixel Rate
2.500 GPixel/s
279.0 GTexel/s
Texture Rate
5.000 GTexel/s
17.86 TFLOPS
FP16 (half)
-
8.928 TFLOPS
FP32 (float)
200.0 GFLOPS
558.0 GFLOPS
FP64 (double)
-
Graphics Processor
Navi 23
GPU Name
Caicos
Navi 23 XL (215-130000016)
GPU Variant
Caicos PRO-L
RDNA 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
11.06 billion
Transistors
0.37 billion
237 mm²
Die Size
67 mm²
Board Design
132W
TDP
18W
300 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 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
-
CUDA
-
6.5
Shader Model
5.0
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