AMD Radeon R9 290X2 vs AMD Radeon HD 6390

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290X2 and 1024MB VRAM Radeon HD 6390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 290X2 's Advantages

Released 2 years and 11 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (345.6GB/s vs 16.00GB/s)

2496 additional rendering cores

AMD Radeon HD 6390 's Advantages

Lower TDP (39W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 290X2 +1500%

5.632 TFLOPS

Radeon HD 6390

0.352 TFLOPS

Radeon R9 290X2

VS

Radeon HD 6390

Graphics Card

Jun 2014

Release Date

Jul 2011

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1350 MHz

Memory Clock

500 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

512bit

Memory Bus

128bit

345.6GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

44

Compute Units

4

2816

Shading Units

320

176

TMUs

16

64

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

4.400 GPixel/s

176.0 GTexel/s

Texture Rate

8.800 GTexel/s

-

FP16 (half)

-

5.632 TFLOPS

FP32 (float)

352.0 GFLOPS

704.0 GFLOPS

FP64 (double)

-

Graphics Processor

Hawaii

GPU Name

Redwood

Hawaii XT (215-0852000)

GPU Variant

Redwood LE

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

0.627 billion

438 mm²

Die Size

104 mm²

Board Design

580W

TDP

39W

950 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

4x 8-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

5.0

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