NVIDIA GeForce GT 520 vs AMD Radeon HD 6850 X2

VS

NVIDIA GeForce GT 520

AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 520 and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 520 's Advantages

Lower TDP (29W vs 254W)

AMD Radeon HD 6850 X2 's Advantages

More VRAM (2GB vs 1024GB)

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

912 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 520

0.156 TFLOPS

Radeon HD 6850 X2 +884%

1.536 TFLOPS

GeForce GT 520

VS

Radeon HD 6850 X2

Graphics Card

Apr 2011

Release Date

Sep 2011

GeForce 500

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

12

1

SM Count

-

48

Shading Units

960

8

TMUs

48

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

25.60 GPixel/s

6.480 GTexel/s

Texture Rate

38.40 GTexel/s

-

155.5 GFLOPS

FP32 (float)

1.536 TFLOPS

12.96 GFLOPS

FP64 (double)

-

Board Design

29W

TDP

254W

200 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Processor

GF119

GPU Name

Barts

GF119-300-A1

GPU Variant

Barts PRO (215-0798006)

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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