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GPU Comparison
NVIDIA GeForce GTX 780 6 GB vs NVIDIA GeForce GT 420 OEM
NVIDIA GeForce GTX 780 6 GB vs NVIDIA GeForce GT 420 OEM
VS
NVIDIA GeForce GTX 780 6 GB
NVIDIA GeForce GT 420 OEM
We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 6 GB 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 GTX 780 6 GB 's Advantages
Released 3 years late
Boost Clock902MHz
More VRAM (6GB vs 1GB)
Larger VRAM bandwidth (288.4GB/s vs 28.80GB/s)
2256 additional rendering cores
NVIDIA GeForce GT 420 OEM 's Advantages
Lower TDP (50W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX 780 6 GB
+3001%
4.156 TFLOPS
GeForce GT 420 OEM
0.134 TFLOPS
GeForce GTX 780 6 GB
VS
GeForce GT 420 OEM
Graphics Card
Sep 2013
Release Date
Sep 2010
GeForce 700
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
863 MHz
Base Clock
-
902 MHz
Boost Clock
-
1502 MHz
Memory Clock
900 MHz
Memory
6GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
384bit
Memory Bus
128bit
288.4GB/s
Bandwidth
28.80GB/s
Render Config
-
SM Count
1
-
Compute Units
-
2304
Shading Units
48
192
TMUs
4
48
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
1536 KB
L2 Cache
256 KB
Theoretical Performance
43.30 GPixel/s
Pixel Rate
1.400 GPixel/s
173.2 GTexel/s
Texture Rate
2.800 GTexel/s
-
FP16 (half)
-
4.156 TFLOPS
FP32 (float)
134.4 GFLOPS
173.2 GFLOPS
FP64 (double)
11.20 GFLOPS
Graphics Processor
GK110B
GPU Name
GF108
GK110-301-B1
GPU Variant
GF108-200-A1
Kepler
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
7.08 billion
Transistors
0.585 billion
561 mm²
Die Size
116 mm²
Board Design
250W
TDP
50W
600 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.5
CUDA
2.1
5.1
Shader Model
5.1
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