AMD Radeon RX 6400 vs NVIDIA GeForce GTX 680 Mac Edition

VS

AMD Radeon RX 6400 NVIDIA GeForce GTX 680 Mac Edition

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 2GB VRAM GeForce GTX 680 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 8 years and 9 months late

Boost Clock has increased by 119% (2321MHz vs 1058MHz)

More VRAM (4GB vs 2GB)

Lower TDP (53W vs 195W)

NVIDIA GeForce GTX 680 Mac Edition 's Advantages

Larger VRAM bandwidth (192.3GB/s vs 128.0GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400 +9%

3.565 TFLOPS

GeForce GTX 680 Mac Edition

3.25 TFLOPS

Radeon RX 6400

VS

GeForce GTX 680 Mac Edition

Graphics Card

Jan 2022

Release Date

Apr 2013

Navi II

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

1923 MHz

Base Clock

1006 MHz

2321 MHz

Boost Clock

1058 MHz

2000 MHz

Memory Clock

1502 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

192.3GB/s

Render Config

-

SM Count

-

12

Compute Units

-

768

Shading Units

1536

48

TMUs

128

32

ROPs

32

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

512 KB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

33.86 GPixel/s

111.4 GTexel/s

Texture Rate

135.4 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

3.250 TFLOPS

222.8 GFLOPS

FP64 (double)

135.4 GFLOPS

Graphics Processor

Navi 24

GPU Name

GK104

Navi 24 XL (215-135000046)

GPU Variant

GK104-400-A2

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

3.54 billion

107 mm²

Die Size

294 mm²

Board Design

53W

TDP

195W

250 W

Suggested PSU

450 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.6

Shader Model

5.1

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