AMD Radeon HD 6390 vs AMD Radeon R7 250XE

VS

AMD Radeon HD 6390

AMD Radeon R7 250XE

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 1024MB VRAM Radeon R7 250XE 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 80W)

AMD Radeon R7 250XE 's Advantages

Released 3 years and 1 months late

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

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

Radeon R7 250XE +212%

1.101 TFLOPS

Radeon HD 6390

VS

Radeon R7 250XE

Graphics Card

Jul 2011

Release Date

Aug 2014

Northern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

500 MHz

Memory Clock

1125 MHz

Memory

1024MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

16.00GB/s

Bandwidth

72.00GB/s

Render Config

4

Compute Units

10

-

320

Shading Units

640

16

TMUs

40

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

13.76 GPixel/s

8.800 GTexel/s

Texture Rate

34.40 GTexel/s

-

352.0 GFLOPS

FP32 (float)

1101 GFLOPS

-

FP64 (double)

68.80 GFLOPS

Board Design

39W

TDP

80W

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

Cape Verde

Redwood LE

GPU Variant

Cape Verde XT

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

1.5 billion

104 mm²

Die Size

123 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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