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GPU Comparison
AMD Radeon RX 7900 XTX vs ATI Radeon HD 3450 PCI
AMD Radeon RX 7900 XTX vs ATI Radeon HD 3450 PCI
VS
AMD Radeon RX 7900 XTX
ATI Radeon HD 3450 PCI
We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 512MB VRAM Radeon HD 3450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7900 XTX 's Advantages
Released 14 years and 10 months late
Boost Clock2498MHz
Larger VRAM bandwidth (960.0GB/s vs 6.400GB/s)
6104 additional rendering cores
ATI Radeon HD 3450 PCI 's Advantages
Lower TDP (25W vs 355W)
Score
Benchmark
FP32 (float)
Radeon RX 7900 XTX
+127795%
61.39 TFLOPS
Radeon HD 3450 PCI
0.048 TFLOPS
Radeon RX 7900 XTX
VS
Radeon HD 3450 PCI
Graphics Card
Nov 2022
Release Date
Jan 2008
Navi III
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCI
Clock Speeds
1929 MHz
Base Clock
-
2498 MHz
Boost Clock
-
2500 MHz
Memory Clock
400 MHz
Memory
24GB
Memory Size
512MB
GDDR6
Memory Type
DDR2
384bit
Memory Bus
64bit
960.0GB/s
Bandwidth
6.400GB/s
Render Config
-
SM Count
-
96
Compute Units
2
6144
Shading Units
40
384
TMUs
4
192
ROPs
4
-
Tensor Cores
-
96
RT Cores
-
256 KB per Array
L1 Cache
-
6 MB
L2 Cache
64 KB
Theoretical Performance
479.6 GPixel/s
Pixel Rate
2.400 GPixel/s
959.2 GTexel/s
Texture Rate
2.400 GTexel/s
122.8 TFLOPS
FP16 (half)
-
61.39 TFLOPS
FP32 (float)
48.00 GFLOPS
1.918 TFLOPS
FP64 (double)
-
Graphics Processor
Navi 31
GPU Name
RV620
Navi 31 XTX (215-145000146)
GPU Variant
RV620 LE
RDNA 3.0
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
57.7 billion
Transistors
0.181 billion
529 mm²
Die Size
67 mm²
Board Design
355W
TDP
25W
750 W
Suggested PSU
200 W
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
Outputs
1x DVI 1x S-Video
2x 8-pin
Power Connectors
None
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.2
OpenCL
N/A
1.3
Vulkan
N/A
-
CUDA
-
6.7
Shader Model
4.1
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