AMD Radeon RX 6400 vs AMD Radeon Sky 900

VS

AMD Radeon RX 6400

AMD Radeon Sky 900

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 3GB VRAM Radeon Sky 900 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 Clock has increased by 144% (2321MHz vs 950MHz)

More VRAM (4GB vs 3GB)

Lower TDP (53W vs 300W)

AMD Radeon Sky 900 's Advantages

Larger VRAM bandwidth (240.0GB/s vs 128.0GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400 +4%

3.565 TFLOPS

Radeon Sky 900

3.405 TFLOPS

Radeon RX 6400

VS

Radeon Sky 900

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

825 MHz

2321 MHz

Boost Clock

950 MHz

2000 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

384bit

128.0GB/s

Bandwidth

240.0GB/s

Render Config

12

Compute Units

28

-

768

Shading Units

1792

48

TMUs

112

32

ROPs

32

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

768 KB

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

30.40 GPixel/s

111.4 GTexel/s

Texture Rate

106.4 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

3.405 TFLOPS

222.8 GFLOPS

FP64 (double)

851.2 GFLOPS

Board Design

53W

TDP

300W

250 W

Suggested PSU

700 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x DVI 1x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

Navi 24

GPU Name

Tahiti

Navi 24 XL (215-135000046)

GPU Variant

Orthrus

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

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

-

6.7

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon RX 6400 vs AMD Radeon HD 6970 X2

2

AMD Radeon RX 6400 vs AMD FirePro W9100

3

AMD Radeon RX 6400 vs ATI Radeon HD 2350 PRO

4

AMD Radeon RX 6400 vs NVIDIA GeForce 6800 GS

5

AMD Radeon RX 6400 vs NVIDIA GeForce GTX 465

6

AMD Radeon RX 6400 vs NVIDIA GeForce GTX 780 Ti

7

AMD Radeon RX 6400 vs NVIDIA GeForce GT 1030 GK107

8

AMD Radeon RX 6400 vs NVIDIA CMP 170HX 10 GB

9

AMD Radeon RX 6400 vs AMD Radeon RX 560X

10

AMD Radeon RX 6400 vs NVIDIA GeForce RTX 5070 Ti

Related News

1

CXMT Reportedly Achieves 80% Yield in DDR5 Production

2

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

3

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

4

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

5

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

6

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

7

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

8

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

9

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

10

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage