AMD Radeon R7 250X vs ATI Radeon HD 4450

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X and 512MB VRAM Radeon HD 4450 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 3 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 6.400GB/s)

560 additional rendering cores

ATI Radeon HD 4450 's Advantages

Lower TDP (25W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R7 250X +1166%

1.216 TFLOPS

Radeon HD 4450

0.096 TFLOPS

Radeon R7 250X

VS

Radeon HD 4450

Graphics Card

Feb 2014

Release Date

Nov 2011

Volcanic Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1125 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

10

Compute Units

1

640

Shading Units

80

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

64 KB

Theoretical Performance

15.20 GPixel/s

Pixel Rate

2.400 GPixel/s

38.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

1216 GFLOPS

FP32 (float)

96.00 GFLOPS

76.00 GFLOPS

FP64 (double)

-

Graphics Processor

Cape Verde

GPU Name

RV710

Cape Verde XT

GPU Variant

RV710 (215-0725016)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.5 billion

Transistors

0.242 billion

123 mm²

Die Size

73 mm²

Board Design

80W

TDP

25W

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 DisplayPort 1.0

1x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.1

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