NVIDIA GeForce GTX 780 Rev. 2 vs NVIDIA GeForce RTX 3080 Ti 20 GB

VS

NVIDIA GeForce GTX 780 Rev. 2 NVIDIA GeForce RTX 3080 Ti 20 GB

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Rev. 2 and 20GB VRAM GeForce RTX 3080 Ti 20 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Rev. 2 's Advantages

Lower TDP (250W vs 350W)

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

Released 8 years and 4 months late

Boost Clock has increased by 85% (1665MHz vs 902MHz)

More VRAM (20GB vs 3GB)

Larger VRAM bandwidth (760.3GB/s vs 288.4GB/s)

7936 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 780 Rev. 2

4.156 TFLOPS

GeForce RTX 3080 Ti 20 GB +720%

34.1 TFLOPS

GeForce GTX 780 Rev. 2

VS

GeForce RTX 3080 Ti 20 GB

Graphics Card

Sep 2013

Release Date

Jan 2022

GeForce 700

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

863 MHz

Base Clock

1335 MHz

902 MHz

Boost Clock

1665 MHz

1502 MHz

Memory Clock

1188 MHz

Memory

3GB

Memory Size

20GB

GDDR5

Memory Type

GDDR6X

384bit

Memory Bus

320bit

288.4GB/s

Bandwidth

760.3GB/s

Render Config

-

SM Count

80

-

Compute Units

-

2304

Shading Units

10240

192

TMUs

320

48

ROPs

112

-

Tensor Cores

320

-

RT Cores

80

16 KB (per SMX)

L1 Cache

128 KB (per SM)

1536 KB

L2 Cache

6 MB

Theoretical Performance

43.30 GPixel/s

Pixel Rate

186.5 GPixel/s

173.2 GTexel/s

Texture Rate

532.8 GTexel/s

-

FP16 (half)

34.10 TFLOPS

4.156 TFLOPS

FP32 (float)

34.10 TFLOPS

173.2 GFLOPS

FP64 (double)

532.8 GFLOPS

Graphics Processor

GK110B

GPU Name

GA102

GK110-300-B1

GPU Variant

GA102-225-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

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 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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