NVIDIA GeForce GTX 780 Ti vs AMD Radeon RX 6800

VS

NVIDIA GeForce GTX 780 Ti

AMD Radeon RX 6800

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti and 16GB VRAM Radeon RX 6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 's Advantages

Released 6 years and 11 months late

Boost Clock has increased by 127% (2105MHz vs 928MHz)

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (512.0GB/s vs 336.6GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti

5.345 TFLOPS

Radeon RX 6800 +202%

16.17 TFLOPS

3DMark Time Spy

GeForce GTX 780 Ti

3355

Radeon RX 6800 +383%

16233

GeForce GTX 780 Ti

VS

Radeon RX 6800

Graphics Card

Nov 2013

Release Date

Oct 2020

GeForce 700

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

875 MHz

Base Clock

1700 MHz

928 MHz

Boost Clock

2105 MHz

1753 MHz

Memory Clock

2000 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

336.6GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

60

-

2880

Shading Units

3840

240

TMUs

240

48

ROPs

96

-

RT Cores

60

16 KB (per SMX)

L1 Cache

128 KB per Array

1536 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

55.68 GPixel/s

Pixel Rate

202.1 GPixel/s

222.7 GTexel/s

Texture Rate

505.2 GTexel/s

-

FP16 (half)

32.33 TFLOPS

5.345 TFLOPS

FP32 (float)

16.17 TFLOPS

222.7 GFLOPS

FP64 (double)

1010 GFLOPS

Board Design

250W

TDP

250W

600 W

Suggested PSU

600 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

GK110B

GPU Name

Navi 21

GK110-425-B1

GPU Variant

Navi 21 XL (215-121000187)

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

7.08 billion

Transistors

26.8 billion

561 mm²

Die Size

520 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.5

CUDA

-

5.1

Shader Model

6.5

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