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GPU Comparison
NVIDIA GeForce GT 620 vs ATI Radeon HD 3450
NVIDIA GeForce GT 620 vs ATI Radeon HD 3450
VS
NVIDIA GeForce GT 620
ATI Radeon HD 3450
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 620 and 256MB VRAM Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 620 's Advantages
Released 4 years and 5 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (14.40GB/s vs 8.000GB/s)
56 additional rendering cores
ATI Radeon HD 3450 's Advantages
Lower TDP (25W vs 49W)
Score
Benchmark
FP32 (float)
GeForce GT 620
+460%
0.269 TFLOPS
Radeon HD 3450
0.048 TFLOPS
GeForce GT 620
VS
Radeon HD 3450
Graphics Card
May 2012
Release Date
Dec 2007
GeForce 600
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
500 MHz
Memory
1024MB
Memory Size
256MB
DDR3
Memory Type
DDR2
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
8.000GB/s
Render Config
2
SM Count
-
-
Compute Units
2
96
Shading Units
40
16
TMUs
4
4
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
-
128 KB
L2 Cache
64 KB
Theoretical Performance
2.800 GPixel/s
Pixel Rate
2.400 GPixel/s
11.20 GTexel/s
Texture Rate
2.400 GTexel/s
-
FP16 (half)
-
268.8 GFLOPS
FP32 (float)
48.00 GFLOPS
22.40 GFLOPS
FP64 (double)
-
Graphics Processor
GF108
GPU Name
RV620
GF108-100-KB-A1
GPU Variant
RV620 LE
Fermi
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
0.585 billion
Transistors
0.181 billion
116 mm²
Die Size
67 mm²
Board Design
49W
TDP
25W
200 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
1x DVI 1x VGA 1x S-Video
None
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.1
OpenCL
N/A
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
4.1
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