AMD Radeon R7 265X OEM vs ATI Radeon HD 4450

VS

AMD Radeon R7 265X OEM

ATI Radeon HD 4450

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265X OEM 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 265X OEM 's Advantages

Released 2 years and 9 months late

Boost Clock925MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (179.2GB/s vs 6.400GB/s)

1200 additional rendering cores

ATI Radeon HD 4450 's Advantages

Lower TDP (25W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R7 265X OEM +2366%

2.368 TFLOPS

Radeon HD 4450

0.096 TFLOPS

Radeon R7 265X OEM

VS

Radeon HD 4450

Graphics Card

Aug 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

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1400 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

179.2GB/s

Bandwidth

6.400GB/s

Render Config

20

Compute Units

1

-

1280

Shading Units

80

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

64 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

2.400 GPixel/s

74.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

2.368 TFLOPS

FP32 (float)

96.00 GFLOPS

148.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

25W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

1x 6-pin

Power Connectors

None

Graphics Processor

Curacao

GPU Name

RV710

Curacao PRO (215-0848000)

GPU Variant

RV710 (215-0725016)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

0.242 billion

212 mm²

Die Size

73 mm²

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

-

5.1

Shader Model

4.1

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