AMD Radeon HD 7450 OEM vs AMD Radeon R7 250

VS

AMD Radeon HD 7450 OEM

AMD Radeon R7 250

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 1024MB VRAM Radeon R7 250 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 55W)

AMD Radeon R7 250 's Advantages

Released 1 years and 9 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 8.528GB/s)

352 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon R7 250 +258%

0.717 TFLOPS

Radeon HD 7450 OEM

VS

Radeon R7 250

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

-

533 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

8.528GB/s

Bandwidth

28.80GB/s

Render Config

2

Compute Units

8

-

160

Shading Units

512

8

TMUs

32

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

11.20 GPixel/s

5.000 GTexel/s

Texture Rate

22.40 GTexel/s

-

200.0 GFLOPS

FP32 (float)

716.8 GFLOPS

-

FP64 (double)

44.80 GFLOPS

Board Design

18W

TDP

55W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a

Outputs

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

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

Cape Verde

Caimour

GPU Variant

Cape Verde PRO

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.5 billion

67 mm²

Die Size

123 mm²

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

-

5.0

Shader Model

5.1

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