AMD Radeon HD 6450 OEM vs AMD Radeon R9 390 X2

VS

AMD Radeon HD 6450 OEM AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 580W)

AMD Radeon R9 390 X2 's Advantages

Released 4 years and 7 months late

Larger VRAM bandwidth (345.6GB/s vs 8.528GB/s)

2400 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon R9 390 X2 +2460%

5.12 TFLOPS

Radeon HD 6450 OEM

VS

Radeon R9 390 X2

Graphics Card

Feb 2011

Release Date

Sep 2015

Northern Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

533 MHz

Memory Clock

1350 MHz

Memory

512MB

Memory Size

8GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

512bit

8.528GB/s

Bandwidth

345.6GB/s

Render Config

-

SM Count

-

2

Compute Units

40

160

Shading Units

2560

8

TMUs

160

4

ROPs

64

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

64.00 GPixel/s

5.000 GTexel/s

Texture Rate

160.0 GTexel/s

-

FP16 (half)

-

200.0 GFLOPS

FP32 (float)

5.120 TFLOPS

-

FP64 (double)

640.0 GFLOPS

Graphics Processor

Caicos

GPU Name

Grenada

Junbonator

GPU Variant

Grenada PRO (215-0880030)

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

6.2 billion

67 mm²

Die Size

438 mm²

Board Design

18W

TDP

580W

200 W

Suggested PSU

950 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

4x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.3

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