AMD Radeon HD 7450 OEM vs AMD Radeon R9 280

VS

AMD Radeon HD 7450 OEM

AMD Radeon R9 280

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 3GB VRAM Radeon R9 280 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450 OEM 's Advantages

Lower TDP (18W vs 200W)

AMD Radeon R9 280 's Advantages

Released 2 years and 2 months late

Boost Clock933MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (240.0GB/s vs 8.528GB/s)

1632 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon R9 280 +1572%

3.344 TFLOPS

Radeon HD 7450 OEM

VS

Radeon R9 280

Graphics Card

Jan 2012

Release Date

Mar 2014

Southern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

827 MHz

-

Boost Clock

933 MHz

533 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

384bit

8.528GB/s

Bandwidth

240.0GB/s

Render Config

2

Compute Units

28

-

160

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

2.500 GPixel/s

Pixel Rate

29.86 GPixel/s

5.000 GTexel/s

Texture Rate

104.5 GTexel/s

-

200.0 GFLOPS

FP32 (float)

3.344 TFLOPS

-

FP64 (double)

836.0 GFLOPS

Board Design

18W

TDP

200W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Caicos

GPU Name

Tahiti

Caimour

GPU Variant

Tahiti PRO3 (215-0821330)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

4.313 billion

67 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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