AMD Radeon R7 450 OEM vs AMD Radeon HD 6490

VS

AMD Radeon R7 450 OEM

AMD Radeon HD 6490

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 450 OEM and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 450 OEM 's Advantages

Released 4 years and 11 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (72.00GB/s vs 16.00GB/s)

192 additional rendering cores

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 65W)

Score

Benchmark

FP32 (float)

Radeon R7 450 OEM +169%

0.947 TFLOPS

Radeon HD 6490

0.352 TFLOPS

Radeon R7 450 OEM

VS

Radeon HD 6490

Graphics Card

Jun 2016

Release Date

Jul 2011

Arctic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

16.00GB/s

Render Config

8

Compute Units

4

-

512

Shading Units

320

32

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

4.400 GPixel/s

29.60 GTexel/s

Texture Rate

8.800 GTexel/s

-

947.2 GFLOPS

FP32 (float)

352.0 GFLOPS

59.20 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

39W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

Redwood

Cape Verde PRO2

GPU Variant

Redwood LE

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.627 billion

123 mm²

Die Size

104 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

5.0

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