NVIDIA GeForce GT 520 PCI vs ATI Radeon HD 3870

VS

NVIDIA GeForce GT 520 PCI

ATI Radeon HD 3870

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 520 PCI and 512MB VRAM Radeon HD 3870 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 5 months late

More VRAM (1024GB vs 512GB)

Lower TDP (29W vs 106W)

ATI Radeon HD 3870 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 14.40GB/s)

272 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 520 PCI

0.156 TFLOPS

Radeon HD 3870 +218%

0.497 TFLOPS

GeForce GT 520 PCI

VS

Radeon HD 3870

Graphics Card

Apr 2011

Release Date

Nov 2007

GeForce 500

Generation

Radeon R600

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1126 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR4

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

72.06GB/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

12.43 GPixel/s

6.480 GTexel/s

Texture Rate

12.43 GTexel/s

-

155.5 GFLOPS

FP32 (float)

497.3 GFLOPS

12.96 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

29W

TDP

106W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

GF119

GPU Name

RV670

GF119-300-A1

GPU Variant

RV670 XT (215-0708005)

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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