AMD Radeon R7 265 vs ATI Radeon HD 5450 PCIe x1

VS

AMD Radeon R7 265

ATI Radeon HD 5450 PCIe x1

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

Released 4 years late

Boost Clock925MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (179.2GB/s vs 8.000GB/s)

944 additional rendering cores

ATI Radeon HD 5450 PCIe x1 's Advantages

Lower TDP (19W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R7 265 +1721%

1.894 TFLOPS

Radeon HD 5450 PCIe x1

0.104 TFLOPS

Radeon R7 265

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

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1400 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

179.2GB/s

Bandwidth

8.000GB/s

Render Config

16

Compute Units

2

-

1024

Shading Units

80

64

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

2.600 GPixel/s

59.20 GTexel/s

Texture Rate

5.200 GTexel/s

-

1.894 TFLOPS

FP32 (float)

104.0 GFLOPS

118.4 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

19W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

Cedar

Pitcairn PRO (215-0828062)

GPU Variant

Cedar PRO

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.292 billion

212 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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