AMD Radeon R9 280X vs AMD Radeon HD 7450 OEM

VS

AMD Radeon R9 280X AMD Radeon HD 7450 OEM

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

Main Differences

AMD Radeon R9 280X 's Advantages

Released 1 years and 9 months late

Boost Clock1000MHz

Larger VRAM bandwidth (288.0GB/s vs 8.528GB/s)

1888 additional rendering cores

AMD Radeon HD 7450 OEM 's Advantages

Lower TDP (18W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 280X +1948%

4.096 TFLOPS

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon R9 280X

VS

Radeon HD 7450 OEM

Graphics Card

Oct 2013

Release Date

Jan 2012

Volcanic Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

533 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

64bit

288.0GB/s

Bandwidth

8.528GB/s

Render Config

-

SM Count

-

32

Compute Units

2

2048

Shading Units

160

128

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

128 KB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

2.500 GPixel/s

128.0 GTexel/s

Texture Rate

5.000 GTexel/s

-

FP16 (half)

-

4.096 TFLOPS

FP32 (float)

200.0 GFLOPS

1024 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

Caicos

Tahiti XTL (215-0821065)

GPU Variant

Caimour

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.37 billion

352 mm²

Die Size

67 mm²

Board Design

250W

TDP

18W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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