AMD Radeon HD 6990M vs NVIDIA GeForce GTX 1660 Ti Max Q

VS

AMD Radeon HD 6990M

NVIDIA GeForce GTX 1660 Ti Max Q

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 6GB VRAM GeForce GTX 1660 Ti Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1660 Ti Max Q 's Advantages

Released 7 years and 9 months late

Boost Clock1335MHz

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 115.2GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M

1.602 TFLOPS

GeForce GTX 1660 Ti Max Q +155%

4.101 TFLOPS

Radeon HD 6990M

VS

GeForce GTX 1660 Ti Max Q

Graphics Card

Jul 2011

Release Date

Apr 2019

Vancouver

Generation

GeForce 16 Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1140 MHz

-

Boost Clock

1335 MHz

900 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

115.2GB/s

Bandwidth

288.0GB/s

Render Config

14

Compute Units

-

SM Count

24

1120

Shading Units

1536

56

TMUs

96

32

ROPs

48

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

1536 KB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

64.08 GPixel/s

40.04 GTexel/s

Texture Rate

128.2 GTexel/s

-

FP16 (half)

8.202 TFLOPS

1.602 TFLOPS

FP32 (float)

4.101 TFLOPS

-

FP64 (double)

128.2 GFLOPS

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

TU116

Blackcomb XTX (216-0811030)

GPU Variant

-

TeraScale 2

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

1.7 billion

Transistors

6.6 billion

212 mm²

Die Size

284 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

7.5

5.0

Shader Model

6.7

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