AMD Radeon HD 7450 OEM vs AMD Radeon Sky 700

VS

AMD Radeon HD 7450 OEM

AMD Radeon Sky 700

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 6GB VRAM Radeon Sky 700 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 225W)

AMD Radeon Sky 700 's Advantages

Released 1 years and 2 months late

More VRAM (6GB vs 512GB)

Larger VRAM bandwidth (264.0GB/s vs 8.528GB/s)

1632 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon Sky 700 +1513%

3.226 TFLOPS

Radeon HD 7450 OEM

VS

Radeon Sky 700

Graphics Card

Jan 2012

Release Date

Mar 2013

Southern Islands

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

533 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

6GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

384bit

8.528GB/s

Bandwidth

264.0GB/s

Render Config

2

Compute Units

28

-

160

Shading Units

1792

8

TMUs

112

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

768 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

28.80 GPixel/s

5.000 GTexel/s

Texture Rate

100.8 GTexel/s

-

200.0 GFLOPS

FP32 (float)

3.226 TFLOPS

-

FP64 (double)

806.4 GFLOPS

Board Design

18W

TDP

225W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a

Outputs

1x DisplayPort 1.2

None

Power Connectors

1x 8-pin

Graphics Processor

Caicos

GPU Name

Tahiti

Caimour

GPU Variant

Tahiti PRO GL

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

4.313 billion

67 mm²

Die Size

352 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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