AMD Radeon HD 6990M vs NVIDIA GeForce GT 520MX

VS

AMD Radeon HD 6990M

NVIDIA GeForce GT 520MX

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 1024MB VRAM GeForce GT 520MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (115.2GB/s vs 14.40GB/s)

1072 additional rendering cores

NVIDIA GeForce GT 520MX 's Advantages

Lower TDP (20W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +826%

1.602 TFLOPS

GeForce GT 520MX

0.173 TFLOPS

Radeon HD 6990M

VS

GeForce GT 520MX

Graphics Card

Jul 2011

Release Date

May 2011

Vancouver

Generation

GeForce 500M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

14.40GB/s

Render Config

14

Compute Units

-

SM Count

1

1120

Shading Units

48

56

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

1.800 GPixel/s

40.04 GTexel/s

Texture Rate

7.200 GTexel/s

-

1.602 TFLOPS

FP32 (float)

172.8 GFLOPS

-

FP64 (double)

14.40 GFLOPS

Board Design

100W

TDP

20W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

GF119

Blackcomb XTX (216-0811030)

GPU Variant

N12P-GVR-B-A1

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.292 billion

212 mm²

Die Size

79 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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