NVIDIA GeForce GT 520 PCI vs AMD Radeon HD 6870 X2

VS

NVIDIA GeForce GT 520 PCI

AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 520 PCI and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 520 PCI 's Advantages

Lower TDP (29W vs 300W)

AMD Radeon HD 6870 X2 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 14.40GB/s)

1072 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 520 PCI

0.156 TFLOPS

Radeon HD 6870 X2 +1192%

2.016 TFLOPS

GeForce GT 520 PCI

VS

Radeon HD 6870 X2

Graphics Card

Apr 2011

Release Date

Jul 2011

GeForce 500

Generation

Northern Islands

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

1

SM Count

-

48

Shading Units

1120

8

TMUs

56

4

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

1.620 GPixel/s

Pixel Rate

28.80 GPixel/s

6.480 GTexel/s

Texture Rate

50.40 GTexel/s

-

155.5 GFLOPS

FP32 (float)

2.016 TFLOPS

12.96 GFLOPS

FP64 (double)

-

Board Design

29W

TDP

300W

200 W

Suggested PSU

700 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

-

Graphics Processor

GF119

GPU Name

Barts

GF119-300-A1

GPU Variant

Barts XT (215-0798000)

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

1.7 billion

79 mm²

Die Size

255 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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