ATI Radeon HD 5450 PCI vs AMD Radeon HD 7990

VS

ATI Radeon HD 5450 PCI

AMD Radeon HD 7990

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCI and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 375W)

AMD Radeon HD 7990 's Advantages

Released 3 years and 2 months late

Boost Clock1000MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (288.0GB/s vs 5.328GB/s)

1968 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon HD 7990 +3838%

4.096 TFLOPS

Radeon HD 5450 PCI

VS

Radeon HD 7990

Graphics Card

Feb 2010

Release Date

Apr 2013

Evergreen

Generation

Southern Islands

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

333 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

3GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

384bit

5.328GB/s

Bandwidth

288.0GB/s

Render Config

2

Compute Units

32

-

80

Shading Units

2048

8

TMUs

128

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

768 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

32.00 GPixel/s

5.200 GTexel/s

Texture Rate

128.0 GTexel/s

-

104.0 GFLOPS

FP32 (float)

4.096 TFLOPS

-

FP64 (double)

1024 GFLOPS

Board Design

19W

TDP

375W

200 W

Suggested PSU

750 W

1x DVI 1x HDMI 1.3a

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

Cedar

GPU Name

Malta

Cedar PRO

GPU Variant

Malta XT (215-0849026)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

4.313 billion

59 mm²

Die Size

365 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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