ATI Radeon HD 5450 PCI vs AMD Radeon HD 7950 Mac Edition

VS

ATI Radeon HD 5450 PCI

AMD Radeon HD 7950 Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCI and 3GB VRAM Radeon HD 7950 Mac Edition 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 200W)

AMD Radeon HD 7950 Mac Edition 's Advantages

Released 3 years and 1 months late

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (240.0GB/s vs 5.328GB/s)

1712 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon HD 7950 Mac Edition +2656%

2.867 TFLOPS

Radeon HD 5450 PCI

VS

Radeon HD 7950 Mac Edition

Graphics Card

Feb 2010

Release Date

Mar 2013

Evergreen

Generation

Southern Islands

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

333 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

3GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

384bit

5.328GB/s

Bandwidth

240.0GB/s

Render Config

2

Compute Units

28

-

80

Shading Units

1792

8

TMUs

112

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

25.60 GPixel/s

5.200 GTexel/s

Texture Rate

89.60 GTexel/s

-

104.0 GFLOPS

FP32 (float)

2.867 TFLOPS

-

FP64 (double)

716.8 GFLOPS

Board Design

19W

TDP

200W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

Cedar

GPU Name

Tahiti

Cedar PRO

GPU Variant

Tahiti PRO (215-0821056)

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

352 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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