AMD Radeon HD 7720 OEM vs AMD Radeon R7 450 OEM

VS

AMD Radeon HD 7720 OEM

AMD Radeon R7 450 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7720 OEM and 2GB VRAM Radeon R7 450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7720 OEM 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 72.00GB/s)

288 additional rendering cores

AMD Radeon R7 450 OEM 's Advantages

Released 3 years and 3 months late

More VRAM (2GB vs 1024GB)

Lower TDP (65W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 7720 OEM +41%

1.344 TFLOPS

Radeon R7 450 OEM

0.947 TFLOPS

Radeon HD 7720 OEM

VS

Radeon R7 450 OEM

Graphics Card

Mar 2013

Release Date

Jun 2016

Southern Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

1125 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

72.00GB/s

Render Config

10

Compute Units

8

-

800

Shading Units

512

40

TMUs

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

26.88 GPixel/s

Pixel Rate

14.80 GPixel/s

33.60 GTexel/s

Texture Rate

29.60 GTexel/s

-

1344 GFLOPS

FP32 (float)

947.2 GFLOPS

-

FP64 (double)

59.20 GFLOPS

Board Design

150W

TDP

65W

450 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

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

-

Power Connectors

None

Graphics Processor

Barts

GPU Name

Cape Verde

Barts LE (215-0798002)

GPU Variant

Cape Verde PRO2

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.5 billion

255 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5 (5.1)

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