AMD Radeon RX 6400 vs ATI Radeon HD 4870 Mac Edition

VS

AMD Radeon RX 6400 ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 512MB VRAM Radeon HD 4870 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 13 years late

Boost Clock2321MHz

Larger VRAM bandwidth (128.0GB/s vs 108.8GB/s)

Lower TDP (53W vs 150W)

ATI Radeon HD 4870 Mac Edition 's Advantages

32 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400 +197%

3.565 TFLOPS

Radeon HD 4870 Mac Edition

1.2 TFLOPS

Radeon RX 6400

VS

Radeon HD 4870 Mac Edition

Graphics Card

Jan 2022

Release Date

Jan 2009

Navi II

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

1923 MHz

Base Clock

-

2321 MHz

Boost Clock

-

2000 MHz

Memory Clock

850 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

108.8GB/s

Render Config

-

SM Count

-

12

Compute Units

10

768

Shading Units

800

48

TMUs

40

32

ROPs

16

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

12.00 GPixel/s

111.4 GTexel/s

Texture Rate

30.00 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

1200 GFLOPS

222.8 GFLOPS

FP64 (double)

240.0 GFLOPS

Graphics Processor

Navi 24

GPU Name

RV770

Navi 24 XL (215-135000046)

GPU Variant

RV770 XT Mac (215-0669080)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

5.4 billion

Transistors

0.956 billion

107 mm²

Die Size

256 mm²

Board Design

53W

TDP

150W

250 W

Suggested PSU

450 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x DVI 1x mini-DisplayPort 1.0

None

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

-

6.6

Shader Model

4.1

Related GPU Comparisons

1

AMD Radeon RX 6400 vs NVIDIA GeForce GTX 1650

2

AMD Radeon RX 6400 vs AMD Radeon Pro V7350X2

3

AMD Radeon RX 6400 vs Intel Arc A310

4

AMD Radeon RX 6400 vs AMD Radeon RX 550

5

AMD Radeon RX 6400 vs NVIDIA GeForce 8500 GT

6

AMD Radeon RX 6400 vs NVIDIA GeForce RTX 3050 6 GB

7

AMD Radeon RX 6400 vs AMD Radeon RX 570

8

AMD Radeon RX 6400 vs ATI FirePro 2270 PCIe x1

9

AMD Radeon RX 6400 vs ATI Radeon HD 3750

10

AMD Radeon RX 6400 vs ATI Radeon HD 3650 AGP

Related News

1

The P-Cores and E-Cores in Arrow Lake Will Be Interleaved, Reducing Core Communication Latency and Improving Heat Dissipation

2

Changes in Intel Arrow Lake P/E Core Layout: Two Major Benefits

3

Time to Step Up, AMD and Intel! Nvidia Faces Antitrust Lawsuits in France, US, and EU

4

Intel Arrow Lake-S Features Dual Direct M.2 Slots: One PCIe 5.0 x4 and One PCIe 4.0 x4

5

AMD Ryzen 9000X3D Series to Feature Fully Unlocked Overclocking; DDR5-6400: The 'Sweet Spot' for Zen 5 Memory Speeds

6

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

7

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2

8

AMD's Latest Breakthrough Technology Could Change the Game in the Future

9

Researchers Utilize NVIDIA Omniverse Platform to Analyze and Improve 3D Stacked Chip Designs

10

TSMC to Receive Over 60 EUV Lithography Machines Over the Next Two Years, Investing More Than $12.3 Billion