AMD Radeon HD 7450 OEM vs AMD Radeon R9 270X

VS

AMD Radeon HD 7450 OEM AMD Radeon R9 270X

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 2GB VRAM Radeon R9 270X 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 180W)

AMD Radeon R9 270X 's Advantages

Released 1 years and 9 months late

Boost Clock1050MHz

Larger VRAM bandwidth (179.2GB/s vs 8.528GB/s)

1120 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon R9 270X +1244%

2.688 TFLOPS

Radeon HD 7450 OEM

VS

Radeon R9 270X

Graphics Card

Jan 2012

Release Date

Oct 2013

Southern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1050 MHz

533 MHz

Memory Clock

1400 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

8.528GB/s

Bandwidth

179.2GB/s

Render Config

-

SM Count

-

2

Compute Units

20

160

Shading Units

1280

8

TMUs

80

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

33.60 GPixel/s

5.000 GTexel/s

Texture Rate

84.00 GTexel/s

-

FP16 (half)

-

200.0 GFLOPS

FP32 (float)

2.688 TFLOPS

-

FP64 (double)

168.0 GFLOPS

Graphics Processor

Caicos

GPU Name

Curacao

Caimour

GPU Variant

Curacao XT (215-0848004)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

2.8 billion

67 mm²

Die Size

212 mm²

Board Design

18W

TDP

180W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a

Outputs

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

None

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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