GeForce RTX 4080 vs GeForce GT 420 OEM
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 1024MB VRAM GeForce GT 420 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4080 's Advantages
Released 12 years late
Boost Clock2505MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (716.8GB/s vs 28.80GB/s)
9680 additional rendering cores
GeForce GT 420 OEM 's Advantages
Lower TDP (50W vs 320W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080
+36273%
48740
GeForce GT 420 OEM
134
Graphics Card
Sep 2022
Release Date
Sep 2010
GeForce 40
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2205 MHz
Base Clock
-
2505 MHz
Boost Clock
-
1400 MHz
Memory Clock
900 MHz
Memory
16GB
Memory Size
1024MB
GDDR6X
Memory Type
DDR3
256bit
Memory Bus
128bit
716.8GB/s
Bandwidth
28.80GB/s
Render Config
76
SM Count
1
9728
Shading Units
48
304
TMUs
4
112
ROPs
4
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SM)
64 MB
L2 Cache
256 KB
Theoretical Performance
280.6 GPixel/s
Pixel Rate
1.400 GPixel/s
761.5 GTexel/s
Texture Rate
2.800 GTexel/s
48.74 TFLOPS
FP16 (half)
-
48.74 TFLOPS
FP32 (float)
134.4 GFLOPS
761.5 GFLOPS
FP64 (double)
11.20 GFLOPS
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 16-pin
Power Connectors
None
Graphics Processor
AD103
GPU Name
GF108
AD103-300-A1
GPU Variant
GF108-200-A1
Ada Lovelace
Architecture
Fermi
TSMC
Foundry
TSMC
5 nm
Process Size
40 nm
45.9 billion
Transistors
0.585 billion
379 mm²
Die Size
116 mm²
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
8.9
CUDA
2.1
6.7
Shader Model
5.1
