AMD Radeon R7 250X vs AMD Radeon HD 7450 OEM

VS

AMD Radeon R7 250X AMD Radeon HD 7450 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X 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 R7 250X 's Advantages

Released 2 years and 1 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 8.528GB/s)

480 additional rendering cores

AMD Radeon HD 7450 OEM 's Advantages

Lower TDP (18W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R7 250X +508%

1.216 TFLOPS

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon R7 250X

VS

Radeon HD 7450 OEM

Graphics Card

Feb 2014

Release Date

Jan 2012

Volcanic Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1125 MHz

Memory Clock

533 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

8.528GB/s

Render Config

-

SM Count

-

10

Compute Units

2

640

Shading Units

160

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

15.20 GPixel/s

Pixel Rate

2.500 GPixel/s

38.00 GTexel/s

Texture Rate

5.000 GTexel/s

-

FP16 (half)

-

1216 GFLOPS

FP32 (float)

200.0 GFLOPS

76.00 GFLOPS

FP64 (double)

-

Graphics Processor

Cape Verde

GPU Name

Caicos

Cape Verde XT

GPU Variant

Caimour

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.37 billion

123 mm²

Die Size

67 mm²

Board Design

80W

TDP

18W

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 6-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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