AMD Radeon HD 6990M vs NVIDIA GeForce MX330

VS

AMD Radeon HD 6990M

NVIDIA GeForce MX330

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 2GB VRAM GeForce MX330 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 56.06GB/s)

736 additional rendering cores

NVIDIA GeForce MX330 's Advantages

Released 8 years and 7 months late

Boost Clock1594MHz

Lower TDP (10W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +30%

1.602 TFLOPS

GeForce MX330

1.224 TFLOPS

Radeon HD 6990M

VS

GeForce MX330

Graphics Card

Jul 2011

Release Date

Feb 2020

Vancouver

Generation

GeForce MX

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x4

Clock Speeds

-

Base Clock

1531 MHz

-

Boost Clock

1594 MHz

900 MHz

Memory Clock

1752 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

56.06GB/s

Render Config

14

Compute Units

-

SM Count

3

1120

Shading Units

384

56

TMUs

24

32

ROPs

16

-

8 KB (per CU)

L1 Cache

48 KB (per SM)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

25.50 GPixel/s

40.04 GTexel/s

Texture Rate

38.26 GTexel/s

-

FP16 (half)

19.13 GFLOPS

1.602 TFLOPS

FP32 (float)

1224 GFLOPS

-

FP64 (double)

38.26 GFLOPS

Board Design

100W

TDP

10W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

GP108

Blackcomb XTX (216-0811030)

GPU Variant

GP108-655-A1 (N17S-G3-A1)

TeraScale 2

Architecture

Pascal

TSMC

Foundry

Samsung

40 nm

Process Size

14 nm

1.7 billion

Transistors

1.8 billion

212 mm²

Die Size

74 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

6.1

5.0

Shader Model

6.4

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