AMD Radeon R7 250X vs ATI Radeon HD 5450 PCIe x1

VS

AMD Radeon R7 250X

ATI Radeon HD 5450 PCIe x1

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X and 512MB VRAM Radeon HD 5450 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250X 's Advantages

Released 4 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 8.000GB/s)

560 additional rendering cores

ATI Radeon HD 5450 PCIe x1 's Advantages

Lower TDP (19W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R7 250X +1069%

1.216 TFLOPS

Radeon HD 5450 PCIe x1

0.104 TFLOPS

Radeon R7 250X

VS

Radeon HD 5450 PCIe x1

Graphics Card

Feb 2014

Release Date

Feb 2010

Volcanic Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

-

1125 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

8.000GB/s

Render Config

10

Compute Units

2

-

640

Shading Units

80

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

15.20 GPixel/s

Pixel Rate

2.600 GPixel/s

38.00 GTexel/s

Texture Rate

5.200 GTexel/s

-

1216 GFLOPS

FP32 (float)

104.0 GFLOPS

76.00 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

19W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

-

Graphics Processor

Cape Verde

GPU Name

Cedar

Cape Verde XT

GPU Variant

Cedar PRO

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.292 billion

123 mm²

Die Size

59 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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