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GPU Comparison
NVIDIA GeForce RTX 3090 vs ATI Radeon HD 3450 PCI
NVIDIA GeForce RTX 3090 vs ATI Radeon HD 3450 PCI
VS
NVIDIA GeForce RTX 3090
ATI Radeon HD 3450 PCI
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 and 512MB VRAM Radeon HD 3450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3090 's Advantages
Released 12 years and 8 months late
Boost Clock1695MHz
Larger VRAM bandwidth (936.2GB/s vs 6.400GB/s)
10456 additional rendering cores
ATI Radeon HD 3450 PCI 's Advantages
Lower TDP (25W vs 350W)
Score
Benchmark
FP32 (float)
GeForce RTX 3090
+74025%
35.58 TFLOPS
Radeon HD 3450 PCI
0.048 TFLOPS
GeForce RTX 3090
VS
Radeon HD 3450 PCI
Graphics Card
Sep 2020
Release Date
Jan 2008
GeForce 30
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCI
Clock Speeds
1395 MHz
Base Clock
-
1695 MHz
Boost Clock
-
1219 MHz
Memory Clock
400 MHz
Memory
24GB
Memory Size
512MB
GDDR6X
Memory Type
DDR2
384bit
Memory Bus
64bit
936.2GB/s
Bandwidth
6.400GB/s
Render Config
82
SM Count
-
-
Compute Units
2
10496
Shading Units
40
328
TMUs
4
112
ROPs
4
328
Tensor Cores
-
82
RT Cores
-
128 KB (per SM)
L1 Cache
-
6 MB
L2 Cache
64 KB
Theoretical Performance
189.8 GPixel/s
Pixel Rate
2.400 GPixel/s
556.0 GTexel/s
Texture Rate
2.400 GTexel/s
35.58 TFLOPS
FP16 (half)
-
35.58 TFLOPS
FP32 (float)
48.00 GFLOPS
556.0 GFLOPS
FP64 (double)
-
Graphics Processor
GA102
GPU Name
RV620
GA102-300-A1
GPU Variant
RV620 LE
Ampere
Architecture
TeraScale
Samsung
Foundry
TSMC
8 nm
Process Size
55 nm
28.3 billion
Transistors
0.181 billion
628 mm²
Die Size
67 mm²
Board Design
350W
TDP
25W
750 W
Suggested PSU
200 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
1x DVI 1x S-Video
1x 12-pin
Power Connectors
None
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
N/A
1.3
Vulkan
N/A
8.6
CUDA
-
6.6
Shader Model
4.1
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