Radeon HD 7990 and GeForce MX450 - video card comparison

Passmark - benchmark score Radeon HD 7990 vs GeForce MX450

Radeon HD 7990

5732

GeForce MX450

3845

Radeon HD 7990

GeForce MX450

Architecture

GCN 1.0 (2012−2020)

Turing (2018−2021)

GPU code name

Malta

N17S-G5 / GP107-670-A1

Market segment

Desktop

Laptop

Release date

April 2013

August 2020

Interface

PCIe 3.0 x16

PCIe 4.0 x4

Supplementary power connectors

2x 8-pin

None

Boost clock speed

1000 MHz

1575 MHz

Core clock speed

950 MHz

1395 MHz

Floating-point performance

2x 4,096 gflops

Manufacturing process technology

28 nm

12 nm

Number of transistors

4,313 million

4,700 million

Pipelines / CUDA cores

2048

896

Power consumption (TDP)

375 Watt

25 Watt (12 - 29 Watt TGP)

Texture fill rate

128.0

100.8

Memory type

GDDR5

GDDR5, GDDR6

Maximum RAM amount

3 GB

2 GB

Memory bus width

384 Bit

64 Bit

Memory clock speed

6000 MHz

10000 MHz

Memory bandwidth

288.0 GB/s

64.03 GB/s

Shared memory

Display Connectors

1x DVI, 4x mini-DisplayPort

No outputs

DirectX

12 (11_1)

12 (12_1)

CUDA

7.5

OpenCL

1.2

OpenGL

4.6

Shader Model

5.1

6.5

Vulkan

1.2.131

1.2

Optimus