AMD Radeon HD 6390 vs NVIDIA GeForce GTX 560 Ti X2

VS

AMD Radeon HD 6390

NVIDIA GeForce GTX 560 Ti X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 1024MB VRAM GeForce GTX 560 Ti X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6390 's Advantages

Released 6 months late

Lower TDP (39W vs 170W)

NVIDIA GeForce GTX 560 Ti X2 's Advantages

Larger VRAM bandwidth (128.3GB/s vs 16.00GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

GeForce GTX 560 Ti X2 +271%

1.306 TFLOPS

Radeon HD 6390

VS

GeForce GTX 560 Ti X2

Graphics Card

Jul 2011

Release Date

Jan 2011

Northern Islands

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

1002 MHz

Memory

1024MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

16.00GB/s

Bandwidth

128.3GB/s

Render Config

4

Compute Units

-

SM Count

8

320

Shading Units

384

16

TMUs

64

8

ROPs

32

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

13.60 GPixel/s

8.800 GTexel/s

Texture Rate

54.40 GTexel/s

-

352.0 GFLOPS

FP32 (float)

1306 GFLOPS

-

FP64 (double)

108.8 GFLOPS

Board Design

39W

TDP

170W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

3x DVI 1x mini-HDMI 1.3a

None

Power Connectors

2x 8-pin

Graphics Processor

Redwood

GPU Name

GF114

Redwood LE

GPU Variant

GF114-400-A1

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

1.95 billion

104 mm²

Die Size

332 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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