Home GPU Comparison NVIDIA GeForce GTX 780 Ti 6 GB vs NVIDIA GeForce RTX 3080 12 GB

NVIDIA GeForce GTX 780 Ti 6 GB vs NVIDIA GeForce RTX 3080 12 GB

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 Ti 6 GB and 12GB VRAM GeForce RTX 3080 12 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages
Lower TDP (250W vs 350W)
NVIDIA GeForce RTX 3080 12 GB 's Advantages
Boost Clock has increased by 84% (1710MHz vs 928MHz)
More VRAM (12GB vs 6GB)
Larger VRAM bandwidth (912.4GB/s vs 336.6GB/s)
6080 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 780 Ti 6 GB
5.345 TFLOPS
GeForce RTX 3080 12 GB +473%
30.64 TFLOPS
VS

Graphics Card

Unknown
Release Date
Jan 2022
GeForce 700
Generation
GeForce 30
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

875 MHz
Base Clock
1260 MHz
928 MHz
Boost Clock
1710 MHz
1753 MHz
Memory Clock
1188 MHz

Memory

6GB
Memory Size
12GB
GDDR5
Memory Type
GDDR6X
384bit
Memory Bus
384bit
336.6GB/s
Bandwidth
912.4GB/s

Render Config

-
-
-
-
SM Count
70
2880
Shading Units
8960
240
TMUs
280
48
ROPs
96
-
Tensor Cores
280
-
RT Cores
70
16 KB (per SMX)
L1 Cache
128 KB (per SM)
1536 KB
L2 Cache
5 MB
-
-
-

Theoretical Performance

55.68 GPixel/s
Pixel Rate
164.2 GPixel/s
222.7 GTexel/s
Texture Rate
478.8 GTexel/s
-
FP16 (half)
30.64 TFLOPS
5.345 TFLOPS
FP32 (float)
30.64 TFLOPS
222.7 GFLOPS
FP64 (double)
478.8 GFLOPS

Board Design

250W
TDP
350W
600 W
Suggested PSU
750 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
1x 12-pin

Graphics Processor

GK110B
GPU Name
GA102
-
GPU Variant
GA102-220-A1
Kepler
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
7.08 billion
Transistors
28.3 billion
561 mm²
Die Size
628 mm²

Graphics Features

12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.5
CUDA
8.6
5.1
Shader Model
6.6

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