NVIDIA GeForce GTX 560 Ti X2 vs AMD Radeon HD 6390

VS

NVIDIA GeForce GTX 560 Ti X2

AMD Radeon HD 6390

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

Main Differences

NVIDIA GeForce GTX 560 Ti X2 's Advantages

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

64 additional rendering cores

AMD Radeon HD 6390 's Advantages

Released 6 months late

Lower TDP (39W vs 170W)

Score

Benchmark

FP32 (float)

GeForce GTX 560 Ti X2 +271%

1.306 TFLOPS

Radeon HD 6390

0.352 TFLOPS

GeForce GTX 560 Ti X2

VS

Radeon HD 6390

Graphics Card

Jan 2011

Release Date

Jul 2011

GeForce 500

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1002 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

128.3GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

4

8

SM Count

-

384

Shading Units

320

64

TMUs

16

32

ROPs

8

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

4.400 GPixel/s

54.40 GTexel/s

Texture Rate

8.800 GTexel/s

-

1306 GFLOPS

FP32 (float)

352.0 GFLOPS

108.8 GFLOPS

FP64 (double)

-

Board Design

170W

TDP

39W

450 W

Suggested PSU

200 W

3x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

GF114

GPU Name

Redwood

GF114-400-A1

GPU Variant

Redwood LE

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

0.627 billion

332 mm²

Die Size

104 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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