NVIDIA GeForce GT 520 PCIe x1 vs AMD Radeon HD 6950

VS

NVIDIA GeForce GT 520 PCIe x1

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 520 PCIe x1 and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 520 PCIe x1 's Advantages

Lower TDP (29W vs 200W)

AMD Radeon HD 6950 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)

1360 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 520 PCIe x1

0.156 TFLOPS

Radeon HD 6950 +1344%

2.253 TFLOPS

GeForce GT 520 PCIe x1

VS

Radeon HD 6950

Graphics Card

Apr 2011

Release Date

Dec 2010

GeForce 500

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x1

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

22

1

SM Count

-

48

Shading Units

1408

8

TMUs

88

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

70.40 GTexel/s

-

155.5 GFLOPS

FP32 (float)

2.253 TFLOPS

12.96 GFLOPS

FP64 (double)

563.2 GFLOPS

Board Design

29W

TDP

200W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

GF119

GPU Name

Cayman

-

GPU Variant

Cayman PRO (215-0807019)

Fermi 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

2.64 billion

79 mm²

Die Size

389 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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