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GPU Comparison
NVIDIA GeForce RTX 4090D vs AMD Radeon HD 6450
NVIDIA GeForce RTX 4090D vs AMD Radeon HD 6450
VS
NVIDIA GeForce RTX 4090D
AMD Radeon HD 6450
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090D and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4090D 's Advantages
Released 12 years and 8 months late
Boost Clock2520MHz
Larger VRAM bandwidth (1008GB/s vs 25.60GB/s)
14432 additional rendering cores
AMD Radeon HD 6450 's Advantages
Lower TDP (18W vs 425W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090D
+36670%
73.54 TFLOPS
Radeon HD 6450
0.2 TFLOPS
GeForce RTX 4090D
VS
Radeon HD 6450
Graphics Card
Dec 2023
Release Date
Apr 2011
GeForce 40
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2280 MHz
Base Clock
-
2520 MHz
Boost Clock
-
1313 MHz
Memory Clock
800 MHz
Memory
24GB
Memory Size
512MB
GDDR6X
Memory Type
GDDR5
384bit
Memory Bus
64bit
1008GB/s
Bandwidth
25.60GB/s
Render Config
114
SM Count
-
-
Compute Units
2
14592
Shading Units
160
456
TMUs
8
176
ROPs
4
456
Tensor Cores
-
114
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
72 MB
L2 Cache
128 KB
Theoretical Performance
443.5 GPixel/s
Pixel Rate
2.500 GPixel/s
1149 GTexel/s
Texture Rate
5.000 GTexel/s
73.54 TFLOPS
FP16 (half)
-
73.54 TFLOPS
FP32 (float)
200.0 GFLOPS
1149 GFLOPS
FP64 (double)
-
Graphics Processor
AD102
GPU Name
Caicos
AD102-250-A1
GPU Variant
Caicos PRO
Ada Lovelace
Architecture
TeraScale 2
TSMC
Foundry
TSMC
5 nm
Process Size
40 nm
76.3 billion
Transistors
0.37 billion
609 mm²
Die Size
67 mm²
Board Design
425W
TDP
18W
800 W
Suggested PSU
200 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 16-pin
Power Connectors
None
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
8.9
CUDA
-
6.7
Shader Model
5.0
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8
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10
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