AMD Radeon HD 6390 vs AMD Radeon R7 240 OEM

VS

AMD Radeon HD 6390

AMD Radeon R7 240 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 2GB VRAM Radeon R7 240 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6390 's Advantages

Lower TDP (39W vs 50W)

AMD Radeon R7 240 OEM 's Advantages

Released 2 years and 4 months late

Boost Clock780MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

Radeon R7 240 OEM +41%

0.499 TFLOPS

Radeon HD 6390

VS

Radeon R7 240 OEM

Graphics Card

Jul 2011

Release Date

Nov 2013

Northern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

780 MHz

500 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR2

Memory Type

DDR3

128bit

Memory Bus

128bit

16.00GB/s

Bandwidth

28.80GB/s

Render Config

4

Compute Units

5

-

320

Shading Units

320

16

TMUs

20

8

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

6.240 GPixel/s

8.800 GTexel/s

Texture Rate

15.60 GTexel/s

-

352.0 GFLOPS

FP32 (float)

499.2 GFLOPS

-

FP64 (double)

31.20 GFLOPS

Board Design

39W

TDP

50W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

Oland

Redwood LE

GPU Variant

-

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

0.95 billion

104 mm²

Die Size

77 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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