AMD Radeon RX 6400 vs AMD Radeon Sky 700

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 6GB VRAM Radeon Sky 700 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 10 months late

Boost Clock2321MHz

Lower TDP (53W vs 225W)

AMD Radeon Sky 700 's Advantages

More VRAM (6GB vs 4GB)

Larger VRAM bandwidth (264.0GB/s vs 128.0GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400 +10%

3.565 TFLOPS

Radeon Sky 700

3.226 TFLOPS

Radeon RX 6400

VS

Radeon Sky 700

Graphics Card

Jan 2022

Release Date

Mar 2013

Navi II

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

1923 MHz

Base Clock

-

2321 MHz

Boost Clock

-

2000 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

6GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

384bit

128.0GB/s

Bandwidth

264.0GB/s

Render Config

-

SM Count

-

12

Compute Units

28

768

Shading Units

1792

48

TMUs

112

32

ROPs

32

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

768 KB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

28.80 GPixel/s

111.4 GTexel/s

Texture Rate

100.8 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

3.226 TFLOPS

222.8 GFLOPS

FP64 (double)

806.4 GFLOPS

Graphics Processor

Navi 24

GPU Name

Tahiti

Navi 24 XL (215-135000046)

GPU Variant

Tahiti PRO GL

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

4.313 billion

107 mm²

Die Size

352 mm²

Board Design

53W

TDP

225W

250 W

Suggested PSU

550 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x DisplayPort 1.2

None

Power Connectors

1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.6

Shader Model

5.1

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