NVIDIA GeForce GT 520 PCI vs ATI Radeon HD 3870 X2

VS

NVIDIA GeForce GT 520 PCI

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 520 PCI and 512MB VRAM Radeon HD 3870 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

Released 3 years and 3 months late

More VRAM (1024GB vs 512GB)

Lower TDP (29W vs 165W)

ATI Radeon HD 3870 X2 's Advantages

Larger VRAM bandwidth (57.66GB/s vs 14.40GB/s)

272 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 520 PCI

0.156 TFLOPS

Radeon HD 3870 X2 +238%

0.528 TFLOPS

GeForce GT 520 PCI

VS

Radeon HD 3870 X2

Graphics Card

Apr 2011

Release Date

Jan 2008

GeForce 500

Generation

Radeon R600

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

901 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

57.66GB/s

Render Config

-

Compute Units

4

1

SM Count

-

48

Shading Units

320

8

TMUs

16

4

ROPs

16

-

64 KB (per SM)

L1 Cache

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

1.620 GPixel/s

Pixel Rate

13.20 GPixel/s

6.480 GTexel/s

Texture Rate

13.20 GTexel/s

-

155.5 GFLOPS

FP32 (float)

528.0 GFLOPS

12.96 GFLOPS

FP64 (double)

105.6 GFLOPS

Board Design

29W

TDP

165W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF119

GPU Name

R680

GF119-300-A1

GPU Variant

R680 XT (215-0708017)

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.292 billion

Transistors

0.666 billion

79 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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