AMD Radeon HD 6990M vs NVIDIA GeForce GT 720A

VS

AMD Radeon HD 6990M

NVIDIA GeForce GT 720A

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 1024MB VRAM GeForce GT 720A 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 16.02GB/s)

1024 additional rendering cores

NVIDIA GeForce GT 720A 's Advantages

Released 3 years late

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +437%

1.602 TFLOPS

GeForce GT 720A

0.298 TFLOPS

Radeon HD 6990M

VS

GeForce GT 720A

Graphics Card

Jul 2011

Release Date

Jul 2014

Vancouver

Generation

GeForce 700A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

16.02GB/s

Render Config

14

Compute Units

-

SM Count

2

1120

Shading Units

96

56

TMUs

16

32

ROPs

8

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

3.100 GPixel/s

40.04 GTexel/s

Texture Rate

12.40 GTexel/s

-

1.602 TFLOPS

FP32 (float)

297.6 GFLOPS

-

FP64 (double)

24.80 GFLOPS

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

GF117

Blackcomb XTX (216-0811030)

GPU Variant

N14M-GE

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

0.585 billion

212 mm²

Die Size

116 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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