GeForce GTX 780 vs Radeon RX 6600

VS

NVIDIA GeForce GTX 780

AMD Radeon RX 6600

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 and 8GB VRAM Radeon RX 6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

GeForce GTX 780 's Advantages

Larger VRAM bandwidth (288.4GB/s vs 224.0GB/s)

512 additional rendering cores

Radeon RX 6600 's Advantages

Released 8 years and 5 months late

Boost Clock has increased by 176% (2491MHz vs 902MHz)

More VRAM (8GB vs 3GB)

Lower TDP (132W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780

4156

Radeon RX 6600 +114%

8928

3DMark Time Spy

GeForce GTX 780

2795

Radeon RX 6600 +189%

8084

GeForce GTX 780

VS

Radeon RX 6600

Graphics Card

May 2013

Release Date

Oct 2021

GeForce 700

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

863 MHz

Base Clock

1626 MHz

902 MHz

Boost Clock

2491 MHz

1502 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

128bit

288.4GB/s

Bandwidth

224.0GB/s

Render Config

-

Compute Units

28

2304

Shading Units

1792

192

TMUs

112

48

ROPs

64

-

RT Cores

28

16 KB (per SMX)

L1 Cache

128 KB per Array

1536 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

43.30 GPixel/s

Pixel Rate

159.4 GPixel/s

173.2 GTexel/s

Texture Rate

279.0 GTexel/s

-

FP16 (half)

17.86 TFLOPS

4.156 TFLOPS

FP32 (float)

8.928 TFLOPS

173.2 GFLOPS

FP64 (double)

558.0 GFLOPS

Board Design

250W

TDP

132W

600 W

Suggested PSU

300 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 8-pin

Graphics Processor

GK110

GPU Name

Navi 23

GK110-300-A1

GPU Variant

Navi 23 XL (215-130000016)

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

7.08 billion

Transistors

11.06 billion

561 mm²

Die Size

237 mm²

Graphics Features

12 (11_0)

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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