ATI Radeon HD 5450 PCI vs AMD Radeon HD 7970 X2

VS

ATI Radeon HD 5450 PCI

AMD Radeon HD 7970 X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCI and 3GB VRAM Radeon HD 7970 X2 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 500W)

AMD Radeon HD 7970 X2 's Advantages

Released 2 years and 6 months late

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (264.0GB/s vs 5.328GB/s)

1968 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon HD 7970 X2 +3543%

3.789 TFLOPS

Radeon HD 5450 PCI

VS

Radeon HD 7970 X2

Graphics Card

Feb 2010

Release Date

Aug 2012

Evergreen

Generation

Southern Islands

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

333 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

3GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

384bit

5.328GB/s

Bandwidth

264.0GB/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

29.60 GPixel/s

5.200 GTexel/s

Texture Rate

118.4 GTexel/s

-

104.0 GFLOPS

FP32 (float)

3.789 TFLOPS

-

FP64 (double)

947.2 GFLOPS

Board Design

19W

TDP

500W

200 W

Suggested PSU

900 W

1x DVI 1x HDMI 1.3a

Outputs

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

None

Power Connectors

3x 8-pin

Graphics Processor

Cedar

GPU Name

New Zealand

Cedar PRO

GPU Variant

-

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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