AMD Radeon HD 6990M vs AMD Radeon 630 Mobile

VS

AMD Radeon HD 6990M

AMD Radeon 630 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 2GB VRAM Radeon 630 Mobile 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 96.00GB/s)

608 additional rendering cores

AMD Radeon 630 Mobile 's Advantages

Released 7 years and 10 months late

Boost Clock1211MHz

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +29%

1.602 TFLOPS

Radeon 630 Mobile

1.24 TFLOPS

Radeon HD 6990M

VS

Radeon 630 Mobile

Graphics Card

Jul 2011

Release Date

May 2019

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1082 MHz

-

Boost Clock

1211 MHz

900 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

96.00GB/s

Render Config

14

Compute Units

8

-

1120

Shading Units

512

56

TMUs

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

22.88 GPixel/s

Pixel Rate

19.38 GPixel/s

40.04 GTexel/s

Texture Rate

38.75 GTexel/s

-

FP16 (half)

1240 GFLOPS

1.602 TFLOPS

FP32 (float)

1240 GFLOPS

-

FP64 (double)

77.50 GFLOPS

Board Design

100W

TDP

50W

-

No outputs

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

Polaris 23

Blackcomb XTX (216-0811030)

GPU Variant

Polaris 23 MXL

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

2.2 billion

212 mm²

Die Size

103 mm²

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

-

5.0

Shader Model

6.4

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