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GPU Comparison
ATI Radeon HD 5450 PCI vs AMD Radeon RX 6900 XT
ATI Radeon HD 5450 PCI vs AMD Radeon RX 6900 XT
VS
ATI Radeon HD 5450 PCI
AMD Radeon RX 6900 XT
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCI and 16GB VRAM Radeon RX 6900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 5450 PCI 's Advantages
Lower TDP (19W vs 300W)
AMD Radeon RX 6900 XT 's Advantages
Released 10 years and 8 months late
Boost Clock2250MHz
Larger VRAM bandwidth (512.0GB/s vs 5.328GB/s)
5040 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 5450 PCI
0.104 TFLOPS
Radeon RX 6900 XT
+22053%
23.04 TFLOPS
Radeon HD 5450 PCI
VS
Radeon RX 6900 XT
Graphics Card
Feb 2010
Release Date
Oct 2020
Evergreen
Generation
Navi II
Desktop
Type
Desktop
PCI
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1825 MHz
-
Boost Clock
2250 MHz
333 MHz
Memory Clock
2000 MHz
Memory
512MB
Memory Size
16GB
DDR2
Memory Type
GDDR6
64bit
Memory Bus
256bit
5.328GB/s
Bandwidth
512.0GB/s
Render Config
-
SM Count
-
2
Compute Units
80
80
Shading Units
5120
8
TMUs
320
4
ROPs
128
-
Tensor Cores
-
-
RT Cores
80
8 KB (per CU)
L1 Cache
128 KB per Array
128 KB
L2 Cache
4 MB
Theoretical Performance
2.600 GPixel/s
Pixel Rate
288.0 GPixel/s
5.200 GTexel/s
Texture Rate
720.0 GTexel/s
-
FP16 (half)
46.08 TFLOPS
104.0 GFLOPS
FP32 (float)
23.04 TFLOPS
-
FP64 (double)
1440 GFLOPS
Graphics Processor
Cedar
GPU Name
Navi 21
Cedar PRO
GPU Variant
Navi 21 XTX (215-121000167)
TeraScale 2
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
7 nm
0.292 billion
Transistors
26.8 billion
59 mm²
Die Size
520 mm²
Board Design
19W
TDP
300W
200 W
Suggested PSU
700 W
1x DVI 1x HDMI 1.3a
Outputs
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
None
Power Connectors
2x 8-pin
Graphics Features
11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.3
-
CUDA
-
5.0
Shader Model
6.5
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