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

VS

NVIDIA GeForce GTX 780 Ti 6 GB NVIDIA GeForce RTX 3080

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 Ti 6 GB and 10GB VRAM GeForce RTX 3080 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 320W)

NVIDIA GeForce RTX 3080 's Advantages

Boost Clock has increased by 84% (1710MHz vs 928MHz)

More VRAM (10GB vs 6GB)

Larger VRAM bandwidth (760.3GB/s vs 336.6GB/s)

5824 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti 6 GB

5.345 TFLOPS

GeForce RTX 3080 +456%

29.77 TFLOPS

GeForce GTX 780 Ti 6 GB

VS

GeForce RTX 3080

Graphics Card

Unknown

Release Date

Sep 2020

GeForce 700

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

875 MHz

Base Clock

1440 MHz

928 MHz

Boost Clock

1710 MHz

1753 MHz

Memory Clock

1188 MHz

Memory

6GB

Memory Size

10GB

GDDR5

Memory Type

GDDR6X

384bit

Memory Bus

320bit

336.6GB/s

Bandwidth

760.3GB/s

Render Config

-

SM Count

68

-

Compute Units

-

2880

Shading Units

8704

240

TMUs

272

48

ROPs

96

-

Tensor Cores

272

-

RT Cores

68

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

465.1 GTexel/s

-

FP16 (half)

29.77 TFLOPS

5.345 TFLOPS

FP32 (float)

29.77 TFLOPS

222.7 GFLOPS

FP64 (double)

465.1 GFLOPS

Graphics Processor

GK110B

GPU Name

GA102

-

GPU Variant

GA102-200-KD-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

Board Design

250W

TDP

320W

600 W

Suggested PSU

700 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 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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