GeForce GTX 780 vs Radeon RX 6400

VS

NVIDIA GeForce GTX 780

AMD Radeon RX 6400

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 and 4GB VRAM Radeon RX 6400 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 128.0GB/s)

1536 additional rendering cores

Radeon RX 6400 's Advantages

Released 8 years and 8 months late

Boost Clock has increased by 157% (2321MHz vs 902MHz)

More VRAM (4GB vs 3GB)

Lower TDP (53W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 +16%

4156

Radeon RX 6400

3565

3DMark Time Spy

GeForce GTX 780

2795

Radeon RX 6400 +28%

3579

Blender

GeForce GTX 780

169

Radeon RX 6400 +97%

334

GeForce GTX 780

VS

Radeon RX 6400

Graphics Card

May 2013

Release Date

Jan 2022

GeForce 700

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

863 MHz

Base Clock

1923 MHz

902 MHz

Boost Clock

2321 MHz

1502 MHz

Memory Clock

2000 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

64bit

288.4GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

2304

Shading Units

768

192

TMUs

48

ROPs

32

-

RT Cores

12

16 KB (per SMX)

L1 Cache

128 KB per Array

1536 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

43.30 GPixel/s

Pixel Rate

74.27 GPixel/s

173.2 GTexel/s

Texture Rate

111.4 GTexel/s

-

FP16 (half)

7.130 TFLOPS

4.156 TFLOPS

FP32 (float)

3.565 TFLOPS

173.2 GFLOPS

FP64 (double)

222.8 GFLOPS

Board Design

250W

TDP

53W

600 W

Suggested PSU

250 W

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

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK110

GPU Name

Navi 24

GK110-300-A1

GPU Variant

Navi 24 XL (215-135000046)

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

7.08 billion

Transistors

5.4 billion

561 mm²

Die Size

107 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.1

Vulkan

1.3

3.5

CUDA

-

5.1

Shader Model

6.7

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