AMD Radeon HD 6990M vs NVIDIA GeForce MX450 25W

VS

AMD Radeon HD 6990M

NVIDIA GeForce MX450 25W

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 2GB VRAM GeForce MX450 25W 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 80.00GB/s)

224 additional rendering cores

NVIDIA GeForce MX450 25W 's Advantages

Released 9 years and 1 months late

Boost Clock930MHz

Lower TDP (25W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M

1.602 TFLOPS

GeForce MX450 25W +4%

1.667 TFLOPS

Radeon HD 6990M

VS

GeForce MX450 25W

Graphics Card

Jul 2011

Release Date

Aug 2020

Vancouver

Generation

GeForce MX

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

720 MHz

-

Boost Clock

930 MHz

900 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

80.00GB/s

Render Config

14

Compute Units

-

SM Count

14

1120

Shading Units

896

56

TMUs

56

32

ROPs

32

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

29.76 GPixel/s

40.04 GTexel/s

Texture Rate

52.08 GTexel/s

-

FP16 (half)

3.333 TFLOPS

1.602 TFLOPS

FP32 (float)

1.667 TFLOPS

-

FP64 (double)

52.08 GFLOPS

Board Design

100W

TDP

25W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

TU117

Blackcomb XTX (216-0811030)

GPU Variant

N18S-G5

TeraScale 2

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

1.7 billion

Transistors

4.7 billion

212 mm²

Die Size

200 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

6.6

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