Home GPU Comparison NVIDIA GeForce GTX 780 Ti vs NVIDIA GeForce GT 420 OEM

NVIDIA GeForce GTX 780 Ti vs NVIDIA GeForce GT 420 OEM

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti 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 Ti 's Advantages
Released 3 years and 2 months late
Boost Clock928MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (336.6GB/s vs 28.80GB/s)
2832 additional rendering cores
NVIDIA GeForce GT 420 OEM 's Advantages
Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)
GeForce GTX 780 Ti +3888%
5.345 TFLOPS
GeForce GT 420 OEM
0.134 TFLOPS
VS

Graphics Card

Nov 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

875 MHz
Base Clock
-
928 MHz
Boost Clock
-
1753 MHz
Memory Clock
900 MHz

Memory

3GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
384bit
Memory Bus
128bit
336.6GB/s
Bandwidth
28.80GB/s

Render Config

-
-
-
-
SM Count
1
2880
Shading Units
48
240
TMUs
4
48
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
1536 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

55.68 GPixel/s
Pixel Rate
1.400 GPixel/s
222.7 GTexel/s
Texture Rate
2.800 GTexel/s
-
-
-
5.345 TFLOPS
FP32 (float)
134.4 GFLOPS
222.7 GFLOPS
FP64 (double)
11.20 GFLOPS

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 Processor

GK110B
GPU Name
GF108
GK110-425-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

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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