ATI Radeon HD 5450 PCIe x1 vs AMD Radeon HD 7950 Mac Edition

VS

ATI Radeon HD 5450 PCIe x1 AMD Radeon HD 7950 Mac Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCIe x1 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 PCIe x1 's Advantages

Lower TDP (19W vs 200W)

AMD Radeon HD 7950 Mac Edition 's Advantages

Released 3 years and 1 months late

Larger VRAM bandwidth (240.0GB/s vs 8.000GB/s)

1712 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCIe x1

0.104 TFLOPS

Radeon HD 7950 Mac Edition +2656%

2.867 TFLOPS

Radeon HD 5450 PCIe x1

VS

Radeon HD 7950 Mac Edition

Graphics Card

Feb 2010

Release Date

Mar 2013

Evergreen

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x1

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

500 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

3GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

384bit

8.000GB/s

Bandwidth

240.0GB/s

Render Config

-

SM Count

-

2

Compute Units

28

80

Shading Units

1792

8

TMUs

112

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

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

-

FP16 (half)

-

104.0 GFLOPS

FP32 (float)

2.867 TFLOPS

-

FP64 (double)

716.8 GFLOPS

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

Board Design

19W

TDP

200W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

-

Power Connectors

2x 6-pin

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

-

CUDA

-

5.0

Shader Model

5.1

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