NVIDIA GeForce GTX 780 6 GB vs AMD Radeon RX 6800

VS

NVIDIA GeForce GTX 780 6 GB

AMD Radeon RX 6800

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 6 GB 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 7 years and 1 months late

Boost Clock has increased by 133% (2105MHz vs 902MHz)

More VRAM (16GB vs 6GB)

Larger VRAM bandwidth (512.0GB/s vs 288.4GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 780 6 GB

4.156 TFLOPS

Radeon RX 6800 +289%

16.17 TFLOPS

GeForce GTX 780 6 GB

VS

Radeon RX 6800

Graphics Card

Sep 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

863 MHz

Base Clock

1700 MHz

902 MHz

Boost Clock

2105 MHz

1502 MHz

Memory Clock

2000 MHz

Memory

6GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

288.4GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

60

-

2304

Shading Units

3840

192

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

43.30 GPixel/s

Pixel Rate

202.1 GPixel/s

173.2 GTexel/s

Texture Rate

505.2 GTexel/s

-

FP16 (half)

32.33 TFLOPS

4.156 TFLOPS

FP32 (float)

16.17 TFLOPS

173.2 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

GK110-301-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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