AMD Radeon HD 7450 OEM vs AMD Radeon R9 280X2

VS

AMD Radeon HD 7450 OEM AMD Radeon R9 280X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 3GB VRAM Radeon R9 280X2 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 375W)

AMD Radeon R9 280X2 's Advantages

Boost Clock1000MHz

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

1888 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon R9 280X2 +1948%

4.096 TFLOPS

Radeon HD 7450 OEM

VS

Radeon R9 280X2

Graphics Card

Jan 2012

Release Date

Unknown

Southern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

533 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

384bit

8.528GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

2

Compute Units

32

160

Shading Units

2048

8

TMUs

128

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

2.500 GPixel/s

Pixel Rate

32.00 GPixel/s

5.000 GTexel/s

Texture Rate

128.0 GTexel/s

-

FP16 (half)

-

200.0 GFLOPS

FP32 (float)

4.096 TFLOPS

-

FP64 (double)

1024 GFLOPS

Graphics Processor

Caicos

GPU Name

Tahiti

Caimour

GPU Variant

Tahiti XTL (215-0821065)

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

Board Design

18W

TDP

375W

200 W

Suggested PSU

750 W

1x DVI 1x HDMI 1.3a

Outputs

6x mini-DisplayPort 1.2

None

Power Connectors

3x 8-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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