Radeon E8870 and GeForce RTX 4090 - video card comparison

Radeon E8870

GeForce RTX 4090

Architecture

GCN 2.0 (2013−2017)

Ada Lovelace

GPU code name

Saturn

AD102-300-A1

Market segment

Desktop

Desktop

Release date

September 2015

September 2022

Interface

MXM-B (3.0)

PCIe 4.0 x16

Supplementary power connectors

None

1x 16-pin

Boost clock speed

-

2520 MHz

Core clock speed

1000 MHz

2235 MHz

Floating-point performance

1,536 gflops

-

Manufacturing process technology

28 nm

5 nm

Number of transistors

2,080 million

76,300 million

Pipelines / CUDA cores

768

16384

Power consumption (TDP)

75 Watt

450 Watt

Texture fill rate

48.00

1,290

Memory type

GDDR5

GDDR6X

Maximum RAM amount

4 GB

24 GB

Memory bus width

128 Bit

384 Bit

Memory clock speed

6000 MHz

21000 MHz

Memory bandwidth

96 GB/s

1,008 GB/s

Shared memory

-

-

Display Connectors

No outputs

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

-

+

DirectX

12 (12_0)

12 Ultimate (12_2)

CUDA

-

8.9

OpenCL

2.0

3.0

OpenGL

4.6

4.6

Shader Model

6.3

6.6

Vulkan

1.2.131

1.3