AMD Radeon HD 6990M vs AMD Radeon Pro 450

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 2GB VRAM Radeon Pro 450 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 81.28GB/s)

480 additional rendering cores

AMD Radeon Pro 450 's Advantages

Released 5 years and 3 months late

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +56%

1.602 TFLOPS

Radeon Pro 450

1.024 TFLOPS

Radeon HD 6990M

VS

Radeon Pro 450

Graphics Card

Jul 2011

Release Date

Oct 2016

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1270 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

81.28GB/s

Render Config

-

SM Count

-

14

Compute Units

10

1120

Shading Units

640

56

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

Theoretical Performance

22.88 GPixel/s

Pixel Rate

12.80 GPixel/s

40.04 GTexel/s

Texture Rate

32.00 GTexel/s

-

FP16 (half)

1024 GFLOPS

1.602 TFLOPS

FP32 (float)

1024 GFLOPS

-

FP64 (double)

64.00 GFLOPS

Graphics Processor

Blackcomb

GPU Name

Baffin

Blackcomb XTX (216-0811030)

GPU Variant

Baffin LE

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

3 billion

212 mm²

Die Size

123 mm²

Board Design

100W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.4

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