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GPU Comparison
NVIDIA GeForce RTX 3080 vs NVIDIA GeForce GT 420 OEM
NVIDIA GeForce RTX 3080 vs NVIDIA GeForce GT 420 OEM
VS
NVIDIA GeForce RTX 3080
NVIDIA GeForce GT 420 OEM
We compared two Desktop platform GPUs: 10GB VRAM GeForce RTX 3080 and 1024MB VRAM GeForce GT 420 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3080 's Advantages
Released 10 years late
Boost Clock1710MHz
More VRAM (10GB vs 1GB)
Larger VRAM bandwidth (760.3GB/s vs 28.80GB/s)
8656 additional rendering cores
NVIDIA GeForce GT 420 OEM 's Advantages
Lower TDP (50W vs 320W)
Score
Benchmark
FP32 (float)
GeForce RTX 3080
+22116%
29.77 TFLOPS
GeForce GT 420 OEM
0.134 TFLOPS
GeForce RTX 3080
VS
GeForce GT 420 OEM
Graphics Card
Sep 2020
Release Date
Sep 2010
GeForce 30
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1440 MHz
Base Clock
-
1710 MHz
Boost Clock
-
1188 MHz
Memory Clock
900 MHz
Memory
10GB
Memory Size
1024MB
GDDR6X
Memory Type
DDR3
320bit
Memory Bus
128bit
760.3GB/s
Bandwidth
28.80GB/s
Render Config
68
SM Count
1
-
Compute Units
-
8704
Shading Units
48
272
TMUs
4
96
ROPs
4
272
Tensor Cores
-
68
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SM)
5 MB
L2 Cache
256 KB
Theoretical Performance
164.2 GPixel/s
Pixel Rate
1.400 GPixel/s
465.1 GTexel/s
Texture Rate
2.800 GTexel/s
29.77 TFLOPS
FP16 (half)
-
29.77 TFLOPS
FP32 (float)
134.4 GFLOPS
465.1 GFLOPS
FP64 (double)
11.20 GFLOPS
Graphics Processor
GA102
GPU Name
GF108
GA102-200-KD-A1
GPU Variant
GF108-200-A1
Ampere
Architecture
Fermi
Samsung
Foundry
TSMC
8 nm
Process Size
40 nm
28.3 billion
Transistors
0.585 billion
628 mm²
Die Size
116 mm²
Board Design
320W
TDP
50W
700 W
Suggested PSU
250 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 12-pin
Power Connectors
None
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.6
CUDA
2.1
6.6
Shader Model
5.1
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